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105454421004 = 2238787868417
BaseRepresentation
bin110001000110110010…
…0101100010000001100
3101002012022002122020110
41202031210230100030
53211432312433004
6120240050120020
710422154534362
oct1421544542014
9332168078213
10105454421004
11407a52a9359
1218530580010
139c378553aa
145165611632
152b23004589
hex188d92c40c

105454421004 has 12 divisors (see below), whose sum is σ = 246060315704. Its totient is φ = 35151473664.

The previous prime is 105454420991. The next prime is 105454421041. The reversal of 105454421004 is 400124454501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1054544210042 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4393934197 + ... + 4393934220.

Almost surely, 2105454421004 is an apocalyptic number.

It is an amenable number.

105454421004 is an abundant number, since it is smaller than the sum of its proper divisors (140605894700).

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

105454421004 is a wasteful number, since it uses less digits than its factorization.

105454421004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8787868424 (or 8787868422 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 105454421004 its reverse (400124454501), we get a palindrome (505578875505).

The spelling of 105454421004 in words is "one hundred five billion, four hundred fifty-four million, four hundred twenty-one thousand, four".

Divisors: 1 2 3 4 6 12 8787868417 17575736834 26363605251 35151473668 52727210502 105454421004