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155352023011 = 315011355581
BaseRepresentation
bin1001000010101110110…
…0111011111111100011
3112211222202020110020001
42100223230323333203
510021130104214021
6155211233000431
714136524256613
oct2205354737743
9484882213201
10155352023011
115a980192269
12261370b3117
131185a321c93
14773a4c8a43
1540938be091
hex242bb3bfe3

155352023011 has 4 divisors (see below), whose sum is σ = 160363378624. Its totient is φ = 150340667400.

The previous prime is 155352022993. The next prime is 155352023027. The reversal of 155352023011 is 110320253551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110320253551 = 227663484577.

It is a cyclic number.

It is not a de Polignac number, because 155352023011 - 25 = 155352022979 is a prime.

It is a super-2 number, since 2×1553520230112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155352023041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2505677760 + ... + 2505677821.

It is an arithmetic number, because the mean of its divisors is an integer number (40090844656).

Almost surely, 2155352023011 is an apocalyptic number.

155352023011 is a deficient number, since it is larger than the sum of its proper divisors (5011355613).

155352023011 is an equidigital number, since it uses as much as digits as its factorization.

155352023011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011355612.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 155352023011 its reverse (110320253551), we get a palindrome (265672276562).

The spelling of 155352023011 in words is "one hundred fifty-five billion, three hundred fifty-two million, twenty-three thousand, eleven".

Divisors: 1 31 5011355581 155352023011