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5100621144 = 233212525881
BaseRepresentation
bin1001100000000010…
…10100110101011000
3111011110201101211020
410300001110311120
540421224334034
62202044002440
7240253364403
oct46001246530
914143641736
105100621144
112188193183
12ba4230420
1363395c028
143655b4d3a
151ecbd0249
hex130054d58

5100621144 has 16 divisors (see below), whose sum is σ = 12751552920. Its totient is φ = 1700207040.

The previous prime is 5100621143. The next prime is 5100621191. The reversal of 5100621144 is 4411260015.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 212525881 = 5100621144 / (5 + 1 + 0 + 0 + 6 + 2 + 1 + 1 + 4 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5100621143) 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, 106262917 + ... + 106262964.

Almost surely, 25100621144 is an apocalyptic number.

It is an amenable number.

5100621144 is an abundant number, since it is smaller than the sum of its proper divisors (7650931776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5100621144 is a wasteful number, since it uses less digits than its factorization.

5100621144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212525890 (or 212525886 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 5100621144 is about 71418.6330308835. The cubic root of 5100621144 is about 1721.3704986446.

Adding to 5100621144 its reverse (4411260015), we get a palindrome (9511881159).

The spelling of 5100621144 in words is "five billion, one hundred million, six hundred twenty-one thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 212525881 425051762 637577643 850103524 1275155286 1700207048 2550310572 5100621144