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44212400140 = 22517130036471
BaseRepresentation
bin101001001011010000…
…111011000000001100
311020010020102122011111
4221023100323000030
51211021333301030
632151053101404
73123424125526
oct511320730014
9136106378144
1044212400140
1117828824677
12869a787864
1342279b041c
1421d5c10a16
15123b71562a
hexa4b43b00c

44212400140 has 24 divisors (see below), whose sum is σ = 98307572832. Its totient is φ = 16644668160.

The previous prime is 44212400117. The next prime is 44212400147. The reversal of 44212400140 is 4100421244.

It is a super-2 number, since 2×442124001402 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44212400147) 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, 65017896 + ... + 65018575.

It is an arithmetic number, because the mean of its divisors is an integer number (4096148868).

Almost surely, 244212400140 is an apocalyptic number.

It is an amenable number.

44212400140 is an abundant number, since it is smaller than the sum of its proper divisors (54095172692).

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

44212400140 is a wasteful number, since it uses less digits than its factorization.

44212400140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130036497 (or 130036495 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 44212400140 its reverse (4100421244), we get a palindrome (48312821384).

The spelling of 44212400140 in words is "forty-four billion, two hundred twelve million, four hundred thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 130036471 260072942 520145884 650182355 1300364710 2210620007 2600729420 4421240014 8842480028 11053100035 22106200070 44212400140