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30512489003052 = 22376171875731387
BaseRepresentation
bin1101111000000001111100…
…00100010111100000101100
311000000222001211011120011020
412330000332010113200230
512444404034141044202
6144521124405054140
76266311631135310
oct674007604274054
9130028054146136
1030512489003052
1197a4301646381
1235096369b7350
131404413b26354
14776b5311db40
1537da770725bc
hex1bc03e11782c

30512489003052 has 96 divisors (see below), whose sum is σ = 81505453628928. Its totient is φ = 8702983263744.

The previous prime is 30512489003047. The next prime is 30512489003063. The reversal of 30512489003052 is 25030098421503.

It is a super-2 number, since 2×305124890030522 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 30512489002995 and 30512489003013.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 972122103 + ... + 972153489.

It is an arithmetic number, because the mean of its divisors is an integer number (849015141968).

Almost surely, 230512489003052 is an apocalyptic number.

It is an amenable number.

30512489003052 is an abundant number, since it is smaller than the sum of its proper divisors (50992964625876).

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

30512489003052 is a wasteful number, since it uses less digits than its factorization.

30512489003052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50775 (or 50773 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 30512489003052 in words is "thirty trillion, five hundred twelve billion, four hundred eighty-nine million, three thousand, fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 617 1234 1851 2468 3702 4319 7404 8638 12957 17276 18757 25914 31387 37514 51828 56271 62774 75028 94161 112542 125548 131299 188322 219709 225084 262598 376644 393897 439418 525196 659127 787794 878836 1318254 1575588 2636508 11573069 19365779 23146138 34719207 38731558 46292276 58097337 69438414 77463116 81011483 116194674 135560453 138876828 162022966 232389348 243034449 271120906 324045932 406681359 486068898 542241812 588725959 813362718 972137796 1177451918 1626725436 1766177877 2354903836 3532355754 4121081713 7064711508 8242163426 12363245139 16484326852 24726490278 49452980556 363243916703 726487833406 1089731750109 1452975666812 2179463500218 2542707416921 4358927000436 5085414833842 7628122250763 10170829667684 15256244501526 30512489003052