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1155386153431 = 19117775163437
BaseRepresentation
bin10000110100000010011…
…000011001100111010111
311002110020211212212211201
4100310002120121213113
5122412212323402211
62242435503013331
7146321355156346
oct20640230314727
94073224785751
101155386153431
11405aa63a9914
12167b0859a247
1384c4c6aa823
143dcc7297b5d
15200c31280c1
hex10d026199d7

1155386153431 has 8 divisors (see below), whose sum is σ = 1216299455280. Its totient is φ = 1094483202048.

The previous prime is 1155386153419. The next prime is 1155386153461. The reversal of 1155386153431 is 1343516835511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1155386153431 - 27 = 1155386153303 is a prime.

It is a super-2 number, since 2×11553861534312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155386153401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2357956 + ... + 2805481.

It is an arithmetic number, because the mean of its divisors is an integer number (152037431910).

Almost surely, 21155386153431 is an apocalyptic number.

1155386153431 is a deficient number, since it is larger than the sum of its proper divisors (60913301849).

1155386153431 is a wasteful number, since it uses less digits than its factorization.

1155386153431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175233.

The product of its digits is 648000, while the sum is 46.

The spelling of 1155386153431 in words is "one trillion, one hundred fifty-five billion, three hundred eighty-six million, one hundred fifty-three thousand, four hundred thirty-one".

Divisors: 1 19 11777 223763 5163437 98105303 60809797549 1155386153431