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155601421324 = 22231691319797
BaseRepresentation
bin1001000011101010010…
…0010100010000001100
3112212122010112012101121
42100322210110100030
510022132430440244
6155252102250324
714145643154446
oct2207244242014
9485563465347
10155601421324
115aa98a44978
12261a67269a4
1311899bb384b
147761689496
1540aa734c84
hex243a91440c

155601421324 has 12 divisors (see below), whose sum is σ = 284141726064. Its totient is φ = 74418071024.

The previous prime is 155601421319. The next prime is 155601421331. The reversal of 155601421324 is 423124106551.

It is a self number, because there is not a number n which added to its sum of digits gives 155601421324.

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 3 ways as a sum of consecutive naturals, for example, 845659807 + ... + 845659990.

It is an arithmetic number, because the mean of its divisors is an integer number (23678477172).

Almost surely, 2155601421324 is an apocalyptic number.

It is an amenable number.

155601421324 is a deficient number, since it is larger than the sum of its proper divisors (128540304740).

155601421324 is a wasteful number, since it uses less digits than its factorization.

155601421324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691319824 (or 1691319822 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 155601421324 its reverse (423124106551), we get a palindrome (578725527875).

The spelling of 155601421324 in words is "one hundred fifty-five billion, six hundred one million, four hundred twenty-one thousand, three hundred twenty-four".

Divisors: 1 2 4 23 46 92 1691319797 3382639594 6765279188 38900355331 77800710662 155601421324