Search a number
-
+
1012371672 = 2331329412729
BaseRepresentation
bin111100010101111…
…001000011011000
32121112221210212010
4330111321003120
54033131343142
6244242345520
734042005624
oct7425710330
92545853763
101012371672
1147a503904
1224305b2a0
1313197c3c0
149864c184
155dd26e9c
hex3c5790d8

1012371672 has 128 divisors (see below), whose sum is σ = 2889432000. Its totient is φ = 293314560.

The previous prime is 1012371671. The next prime is 1012371733. The reversal of 1012371672 is 2761732101.

1012371672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012371671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369604 + ... + 372332.

Almost surely, 21012371672 is an apocalyptic number.

1012371672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012371672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1444716000).

1012371672 is an abundant number, since it is smaller than the sum of its proper divisors (1877060328).

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

1012371672 is a wasteful number, since it uses less digits than its factorization.

1012371672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821 (or 2817 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 1012371672 is about 31817.7886095184. The cubic root of 1012371672 is about 1004.1070001251.

The spelling of 1012371672 in words is "one billion, twelve million, three hundred seventy-one thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 29 39 41 52 58 78 82 87 104 116 123 156 164 174 232 246 312 328 348 377 492 533 696 754 984 1066 1131 1189 1508 1599 2132 2262 2378 2729 3016 3198 3567 4264 4524 4756 5458 6396 7134 8187 9048 9512 10916 12792 14268 15457 16374 21832 28536 30914 32748 35477 46371 61828 65496 70954 79141 92742 106431 111889 123656 141908 158282 185484 212862 223778 237423 283816 316564 335667 370968 425724 447556 474846 633128 671334 851448 895112 949692 1028833 1342668 1454557 1899384 2057666 2685336 2909114 3086499 3244781 4115332 4363671 5818228 6172998 6489562 8230664 8727342 9734343 11636456 12345996 12979124 17454684 19468686 24691992 25958248 34909368 38937372 42182153 77874744 84364306 126546459 168728612 253092918 337457224 506185836 1012371672