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70551843140 = 225171071939303
BaseRepresentation
bin100000110110100110…
…1111011000101000100
320202002212201222100102
41001231031323011010
52123442232440030
652224442503232
75045224525532
oct1015515730504
9222085658312
1070551843140
1127a14748a89
121180b804b18
136864881a5c
1435b4025152
151c7dcb9c45
hex106d37b144

70551843140 has 48 divisors (see below), whose sum is σ = 158340292992. Its totient is φ = 26312449536.

The previous prime is 70551843139. The next prime is 70551843151. The reversal of 70551843140 is 4134815507.

It is a junction number, because it is equal to n+sod(n) for n = 70551843094 and 70551843103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 933272 + ... + 1006031.

It is an arithmetic number, because the mean of its divisors is an integer number (3298756104).

Almost surely, 270551843140 is an apocalyptic number.

It is an amenable number.

70551843140 is an abundant number, since it is smaller than the sum of its proper divisors (87788449852).

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

70551843140 is a wasteful number, since it uses less digits than its factorization.

70551843140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939436 (or 1939434 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 70551843140 in words is "seventy billion, five hundred fifty-one million, eight hundred forty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 107 170 214 340 428 535 1070 1819 2140 3638 7276 9095 18190 36380 1939303 3878606 7757212 9696515 19393030 32968151 38786060 65936302 131872604 164840755 207505421 329681510 415010842 659363020 830021684 1037527105 2075054210 3527592157 4150108420 7055184314 14110368628 17637960785 35275921570 70551843140