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2155310152103 = 2717953173993
BaseRepresentation
bin11111010111010010011…
…111101111100110100111
321122001020021022001002202
4133113102133233212213
5240303033344331403
64330045200325115
7311500411005233
oct37272237574647
97561207261082
102155310152103
11761075434899
122a986901379b
13128324cb6064
14764635995c3
153b0e7d7a688
hex1f5d27ef9a7

2155310152103 has 4 divisors (see below), whose sum is σ = 2163263326368. Its totient is φ = 2147356977840.

The previous prime is 2155310152063. The next prime is 2155310152123. The reversal of 2155310152103 is 3012510135512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2155310152103 - 230 = 2154236410279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155310152123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3976586726 + ... + 3976587267.

It is an arithmetic number, because the mean of its divisors is an integer number (540815831592).

Almost surely, 22155310152103 is an apocalyptic number.

2155310152103 is a deficient number, since it is larger than the sum of its proper divisors (7953174265).

2155310152103 is an equidigital number, since it uses as much as digits as its factorization.

2155310152103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7953174264.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 2155310152103 its reverse (3012510135512), we get a palindrome (5167820287615).

The spelling of 2155310152103 in words is "two trillion, one hundred fifty-five billion, three hundred ten million, one hundred fifty-two thousand, one hundred three".

Divisors: 1 271 7953173993 2155310152103