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5531400061 = 111947211981
BaseRepresentation
bin1010010011011001…
…00111011101111101
3112021111022020101221
411021230213131331
542312014300221
62312513033341
7254034060535
oct51154473575
915244266357
105531400061
112389370810
1210a4555851
136a1c88cb5
143a68ac4c5
15225923541
hex149b2777d

5531400061 has 24 divisors (see below), whose sum is σ = 6490409760. Its totient is φ = 4662136800.

The previous prime is 5531400047. The next prime is 5531400079. The reversal of 5531400061 is 1600041355.

It is not a de Polignac number, because 5531400061 - 217 = 5531268989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5531399999 and 5531400035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5531400031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 455691 + ... + 467671.

It is an arithmetic number, because the mean of its divisors is an integer number (270433740).

Almost surely, 25531400061 is an apocalyptic number.

It is an amenable number.

5531400061 is a deficient number, since it is larger than the sum of its proper divisors (959009699).

5531400061 is a wasteful number, since it uses less digits than its factorization.

5531400061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12105 (or 12058 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 5531400061 is about 74373.3827454419. The cubic root of 5531400061 is about 1768.5269816728.

The spelling of 5531400061 in words is "five billion, five hundred thirty-one million, four hundred thousand, sixty-one".

Divisors: 1 11 19 47 209 517 893 2209 9823 11981 24299 41971 131791 227639 461681 563107 2504029 6194177 10699033 26466029 117689363 291126319 502854551 5531400061