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105625554452 = 221119431293147
BaseRepresentation
bin110001001011111000…
…1100000111000010100
3101002122020010010012022
41202113301200320110
53212310120220302
6120305042112312
710426333253615
oct1422761407024
9332566103168
10105625554452
1140882965460
121857994b698
139c641435a2
14518023bc0c
152b3305a8a2
hex1897c60e14

105625554452 has 48 divisors (see below), whose sum is σ = 212755092480. Its totient is φ = 45379000800.

The previous prime is 105625554451. The next prime is 105625554479. The reversal of 105625554452 is 254455526501.

It is a super-2 number, since 2×1056255544522 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105625554451) 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, 213743 + ... + 506889.

It is an arithmetic number, because the mean of its divisors is an integer number (4432397760).

Almost surely, 2105625554452 is an apocalyptic number.

It is an amenable number.

105625554452 is an abundant number, since it is smaller than the sum of its proper divisors (107129538028).

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

105625554452 is a wasteful number, since it uses less digits than its factorization.

105625554452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293612 (or 293610 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 105625554452 in words is "one hundred five billion, six hundred twenty-five million, five hundred fifty-four thousand, four hundred fifty-two".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 431 836 862 1724 4741 8189 9482 16378 18964 32756 90079 180158 293147 360316 586294 1172588 3224617 5569793 6449234 11139586 12898468 22279172 61267723 122535446 126346357 245070892 252692714 505385428 1389809927 2400580783 2779619854 4801161566 5559239708 9602323132 26406388613 52812777226 105625554452