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3155401097 = 21187148931
BaseRepresentation
bin1011110000010011…
…1001100110001001
322010220102222120022
42330010321212021
522430240313342
61241035110225
7141123316052
oct27404714611
98126388508
103155401097
11137a161602
127408a2375
133b3954954
1421d0d9729
1513703d9d2
hexbc139989

3155401097 has 4 divisors (see below), whose sum is σ = 3155571216. Its totient is φ = 3155230980.

The previous prime is 3155401087. The next prime is 3155401111. The reversal of 3155401097 is 7901045513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3155401097 - 220 = 3154352521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3155401037) 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, 53279 + ... + 95652.

It is an arithmetic number, because the mean of its divisors is an integer number (788892804).

Almost surely, 23155401097 is an apocalyptic number.

It is an amenable number.

3155401097 is a deficient number, since it is larger than the sum of its proper divisors (170119).

3155401097 is a wasteful number, since it uses less digits than its factorization.

3155401097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170118.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 3155401097 is about 56172.9569899965. The cubic root of 3155401097 is about 1466.7345561952.

The spelling of 3155401097 in words is "three billion, one hundred fifty-five million, four hundred one thousand, ninety-seven".

Divisors: 1 21187 148931 3155401097