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1012105465680 = 243519613638573
BaseRepresentation
bin11101011101001100010…
…11111100111101010000
310120202102100222210112210
432232212023330331100
5113040242444400210
62052542124352120
7133056626340621
oct16564613747520
93522370883483
101012105465680
11360260171491
121441a00a5640
137459723889a
1436db4079a48
151b4d93bae20
hexeba62fcf50

1012105465680 has 160 divisors (see below), whose sum is σ = 3356802829440. Its totient is φ = 251498096640.

The previous prime is 1012105465663. The next prime is 1012105465687. The reversal of 1012105465680 is 865645012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012105465687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1541127 + ... + 2097446.

It is an arithmetic number, because the mean of its divisors is an integer number (20980017684).

Almost surely, 21012105465680 is an apocalyptic number.

1012105465680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012105465680 is an abundant number, since it is smaller than the sum of its proper divisors (2344697363760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012105465680 is a wasteful number, since it uses less digits than its factorization.

1012105465680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638669 (or 3638663 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 1012105465680 in words is "one trillion, twelve billion, one hundred five million, four hundred sixty-five thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 61 76 80 95 114 120 122 152 183 190 228 240 244 285 304 305 366 380 456 488 570 610 732 760 912 915 976 1140 1159 1220 1464 1520 1830 2280 2318 2440 2928 3477 3660 4560 4636 4880 5795 6954 7320 9272 11590 13908 14640 17385 18544 23180 27816 34770 46360 55632 69540 92720 139080 278160 3638573 7277146 10915719 14554292 18192865 21831438 29108584 36385730 43662876 54578595 58217168 69132887 72771460 87325752 109157190 138265774 145542920 174651504 207398661 218314380 221952953 276531548 291085840 345664435 414797322 436628760 443905906 553063096 665858859 691328870 829594644 873257520 887811812 1036993305 1106126192 1109764765 1331717718 1382657740 1659189288 1775623624 2073986610 2219529530 2663435436 2765315480 3318378576 3329294295 3551247248 4147973220 4217106107 4439059060 5326870872 5530630960 6658588590 8295946440 8434212214 8878118120 10653741744 12651318321 13317177180 16591892880 16868424428 17756236240 21085530535 25302636642 26634354360 33736848856 42171061070 50605273284 53268708720 63256591605 67473697712 84342122140 101210546568 126513183210 168684244280 202421093136 253026366420 337368488560 506052732840 1012105465680