Search a number
-
+
15255453333132 = 22332693491504609
BaseRepresentation
bin1101110111111110111111…
…1000000111011010001100
32000000101222202212021002000
43131333233320013122030
53444421132023130012
652240131501032300
73133112232534555
oct335775770073214
960011882767060
1015255453333132
11495188a774711
121864738555690
138687770330bc
143aa52167332c
151b6c690d0ddc
hexddfefe0768c

15255453333132 has 96 divisors (see below), whose sum is σ = 39811980600000. Its totient is φ = 5051727378432.

The previous prime is 15255453333121. The next prime is 15255453333149. The reversal of 15255453333132 is 23133335455251.

15255453333132 is a `hidden beast` number, since 1 + 5 + 2 + 5 + 54 + 533 + 3 + 31 + 32 = 666.

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, 9386844 + ... + 10891452.

It is an arithmetic number, because the mean of its divisors is an integer number (414708131250).

Almost surely, 215255453333132 is an apocalyptic number.

15255453333132 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 15255453333132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19905990300000).

15255453333132 is an abundant number, since it is smaller than the sum of its proper divisors (24556527266868).

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

15255453333132 is a wasteful number, since it uses less digits than its factorization.

15255453333132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505240 (or 1505232 counting only the distinct ones).

The product of its digits is 2430000, while the sum is 45.

Adding to 15255453333132 its reverse (23133335455251), we get a palindrome (38388788788383).

The spelling of 15255453333132 in words is "fifteen trillion, two hundred fifty-five billion, four hundred fifty-three million, three hundred thirty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 269 349 538 698 807 1047 1076 1396 1614 2094 2421 3141 3228 4188 4842 6282 7263 9423 9684 12564 14526 18846 29052 37692 93881 187762 281643 375524 563286 844929 1126572 1504609 1689858 2534787 3009218 3379716 4513827 5069574 6018436 9027654 10139148 13541481 18055308 27082962 40624443 54165924 81248886 162497772 404739821 525108541 809479642 1050217082 1214219463 1575325623 1618959284 2100434164 2428438926 3150651246 3642658389 4725976869 4856877852 6301302492 7285316778 9451953738 10927975167 14177930607 14570633556 18903907476 21855950334 28355861214 43711900668 56711722428 141254197529 282508395058 423762592587 565016790116 847525185174 1271287777761 1695050370348 2542575555522 3813863333283 5085151111044 7627726666566 15255453333132