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5312100423 = 371511675213
BaseRepresentation
bin1001111001010000…
…00011100001000111
3111201012122122212010
410330220003201013
541334344203143
62235040425303
7245432052150
oct47450034107
914635578763
105312100423
1122865a6743
121043018233
136687052b6
14385704927
15211555a33
hex13ca03847

5312100423 has 16 divisors (see below), whose sum is σ = 8148240896. Its totient is φ = 3015381600.

The previous prime is 5312100421. The next prime is 5312100439. The reversal of 5312100423 is 3240012135.

It is not a de Polignac number, because 5312100423 - 21 = 5312100421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5312100423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312100421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834436 + ... + 840777.

It is an arithmetic number, because the mean of its divisors is an integer number (509265056).

Almost surely, 25312100423 is an apocalyptic number.

5312100423 is a deficient number, since it is larger than the sum of its proper divisors (2836140473).

5312100423 is a wasteful number, since it uses less digits than its factorization.

5312100423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675374.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 5312100423 is about 72884.1575584159. The cubic root of 5312100423 is about 1744.8392637994.

Adding to 5312100423 its reverse (3240012135), we get a palindrome (8552112558).

The spelling of 5312100423 in words is "five billion, three hundred twelve million, one hundred thousand, four hundred twenty-three".

Divisors: 1 3 7 21 151 453 1057 3171 1675213 5025639 11726491 35179473 252957163 758871489 1770700141 5312100423