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2131152511312 = 241121963739091
BaseRepresentation
bin11111000000110010100…
…101101010000101010000
321112201212200102201220001
4133000302211222011100
5234404100020330222
64311012110255344
7306653642312506
oct37006245520520
97481780381801
102131152511312
117518a9040800
122a50467b7554
13125c75144056
1475211046676
153a6820eae27
hex1f03296a150

2131152511312 has 120 divisors (see below), whose sum is σ = 4778755563680. Its totient is φ = 917476243200.

The previous prime is 2131152511283. The next prime is 2131152511349.

It is a happy number.

2131152511312 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×21311525113122 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234419887 + ... + 234428977.

Almost surely, 22131152511312 is an apocalyptic number.

2131152511312 is a gapful number since it is divisible by the number (22) 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 2131152511312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2389377781840).

2131152511312 is an abundant number, since it is smaller than the sum of its proper divisors (2647603052368).

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

2131152511312 is a wasteful number, since it uses less digits than its factorization.

2131152511312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15513 (or 15496 counting only the distinct ones).

The product of its digits is 1800, while the sum is 28.

The spelling of 2131152511312 in words is "two trillion, one hundred thirty-one billion, one hundred fifty-two million, five hundred eleven thousand, three hundred twelve".

Divisors: 1 2 4 8 11 16 19 22 38 44 76 88 121 152 176 209 242 304 418 484 836 968 1672 1936 2299 3344 4598 6373 9091 9196 12746 18182 18392 25492 36364 36784 50984 70103 72728 100001 101968 121087 140206 145456 172729 200002 242174 280412 345458 400004 484348 560824 690916 771133 800008 968696 1100011 1121648 1331957 1381832 1542266 1600016 1900019 1937392 2200022 2663914 2763664 3084532 3800038 4400044 5327828 6169064 7600076 8800088 10655656 12338128 14651527 15200152 17600176 20900209 21311312 29303054 30400304 41800418 57936943 58606108 83600836 115873886 117212216 167201672 231747772 234424432 334403344 463495544 637306373 926991088 1100801917 1274612746 2201603834 2549225492 4403207668 5098450984 7010370103 8806415336 10196901968 12108821087 14020740206 17612830672 24217642174 28041480412 48435284348 56082960824 96870568696 112165921648 133197031957 193741137392 266394063914 532788127828 1065576255656 2131152511312