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12457151064 = 23321720694919
BaseRepresentation
bin10111001101000000…
…10000101001011000
31012011011022211201100
423212200100221120
5201003012313224
65420035551400
7620462015451
oct134640205130
935134284640
1012457151064
115312811a76
1224b7a5b560
131236a96407
1486261c128
154cd972ac9
hex2e6810a58

12457151064 has 96 divisors (see below), whose sum is σ = 35747244000. Its totient is φ = 3905442816.

The previous prime is 12457150997. The next prime is 12457151087. The reversal of 12457151064 is 46015175421.

12457151064 is a `hidden beast` number, since 1 + 24 + 571 + 5 + 1 + 0 + 64 = 666.

It is a super-2 number, since 2×124571510642 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2529997 + ... + 2534915.

It is an arithmetic number, because the mean of its divisors is an integer number (372367125).

Almost surely, 212457151064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12457151064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17873622000).

12457151064 is an abundant number, since it is smaller than the sum of its proper divisors (23290092936).

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

12457151064 is a wasteful number, since it uses less digits than its factorization.

12457151064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7017 (or 7010 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 12457151064 in words is "twelve billion, four hundred fifty-seven million, one hundred fifty-one thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 34 36 51 68 72 102 136 153 204 306 408 612 1224 2069 4138 4919 6207 8276 9838 12414 14757 16552 18621 19676 24828 29514 35173 37242 39352 44271 49656 59028 70346 74484 83623 88542 105519 118056 140692 148968 167246 177084 211038 250869 281384 316557 334492 354168 422076 501738 633114 668984 752607 844152 1003476 1266228 1505214 2006952 2532456 3010428 6020856 10177411 20354822 30532233 40709644 61064466 81419288 91596699 122128932 173015987 183193398 244257864 346031974 366386796 519047961 692063948 732773592 1038095922 1384127896 1557143883 2076191844 3114287766 4152383688 6228575532 12457151064