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5542137931 = 111321381401
BaseRepresentation
bin1010010100101011…
…00101000001001011
3112022020111202222211
411022111211001023
542322241403211
62313535125551
7254224252351
oct51225450113
915266452884
105542137931
112394435290
1210a80738b7
136a4278675
143a80a57d1
15226844e21
hex14a56504b

5542137931 has 8 divisors (see below), whose sum is σ = 6050561328. Its totient is φ = 5034480000.

The previous prime is 5542137917. The next prime is 5542138009. The reversal of 5542137931 is 1397312455.

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

It is not a de Polignac number, because 5542137931 - 25 = 5542137899 is a prime.

It is a super-2 number, since 2×55421379312 = 61430585692457921522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5542137901) 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, 176170 + ... + 205231.

It is an arithmetic number, because the mean of its divisors is an integer number (756320166).

Almost surely, 25542137931 is an apocalyptic number.

5542137931 is a deficient number, since it is larger than the sum of its proper divisors (508423397).

5542137931 is a wasteful number, since it uses less digits than its factorization.

5542137931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382733.

The product of its digits is 113400, while the sum is 40.

The square root of 5542137931 is about 74445.5366761500. The cubic root of 5542137931 is about 1769.6706305111.

The spelling of 5542137931 in words is "five billion, five hundred forty-two million, one hundred thirty-seven thousand, nine hundred thirty-one".

Divisors: 1 11 1321 14531 381401 4195411 503830721 5542137931