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155431415353002 = 23218623118492729
BaseRepresentation
bin100011010101110100110010…
…010011001000111010101010
3202101100002122120200120112020
4203111310302103020322222
5130333042014312244002
61310324112332525310
744511356240414145
oct4325646223107252
9671302576616466
10155431415353002
1145586102972878
1215523796620836
136896172929289
142a54cc635b05c
1512e81db54c2bc
hex8d5d324c8eaa

155431415353002 has 16 divisors (see below), whose sum is σ = 310864255242240. Its totient is φ = 51810234361632.

The previous prime is 155431415352991. The next prime is 155431415353013. The reversal of 155431415353002 is 200353514134551.

It is an interprime number because it is at equal distance from previous prime (155431415352991) and next prime (155431415353013).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57934627 + ... + 60558102.

It is an arithmetic number, because the mean of its divisors is an integer number (19429015952640).

Almost surely, 2155431415353002 is an apocalyptic number.

155431415353002 is an abundant number, since it is smaller than the sum of its proper divisors (155432839889238).

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

155431415353002 is a wasteful number, since it uses less digits than its factorization.

155431415353002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118711357.

The product of its (nonzero) digits is 540000, while the sum is 42.

Adding to 155431415353002 its reverse (200353514134551), we get a palindrome (355784929487553).

The spelling of 155431415353002 in words is "one hundred fifty-five trillion, four hundred thirty-one billion, four hundred fifteen million, three hundred fifty-three thousand, two".

Divisors: 1 2 3 6 218623 437246 655869 1311738 118492729 236985458 355478187 710956374 25905235892167 51810471784334 77715707676501 155431415353002