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3121025342 = 2172315126431
BaseRepresentation
bin1011101000000111…
…0001000100111110
322001111202111220012
42322001301010332
522342440302332
61233410223222
7140225164151
oct27201610476
98044674805
103121025342
111361812596
12731284b12
133a97aa076
1421870bc98
15133eed3b2
hexba07113e

3121025342 has 32 divisors (see below), whose sum is σ = 5206892544. Its totient is φ = 1395504000.

The previous prime is 3121025333. The next prime is 3121025353. The reversal of 3121025342 is 2435201213.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104867 + ... + 131297.

It is an arithmetic number, because the mean of its divisors is an integer number (162715392).

Almost surely, 23121025342 is an apocalyptic number.

3121025342 is a deficient number, since it is larger than the sum of its proper divisors (2085867202).

3121025342 is a wasteful number, since it uses less digits than its factorization.

3121025342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26624.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3121025342 is about 55866.1377043375. The cubic root of 3121025342 is about 1461.3887677053.

Adding to 3121025342 its reverse (2435201213), we get a palindrome (5556226555).

The spelling of 3121025342 in words is "three billion, one hundred twenty-one million, twenty-five thousand, three hundred forty-two".

Divisors: 1 2 17 23 34 46 151 302 391 782 2567 3473 5134 6946 26431 52862 59041 118082 449327 607913 898654 1215826 3991081 7982162 10334521 20669042 67848377 91794863 135696754 183589726 1560512671 3121025342