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70804189553 = 163434381531
BaseRepresentation
bin100000111110001000…
…0100011000101110001
320202202110120111112212
41001330100203011301
52130001333031203
652305455301505
75054410452416
oct1017420430561
9222673514485
1070804189553
1128034134639
121188021a895
1368a4c36466
1435d975210d
151c960141d8
hex107c423171

70804189553 has 4 divisors (see below), whose sum is σ = 71238571248. Its totient is φ = 70369807860.

The previous prime is 70804189541. The next prime is 70804189619. The reversal of 70804189553 is 35598140807.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70804189553 - 28 = 70804189297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70804189523) 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, 217190603 + ... + 217190928.

It is an arithmetic number, because the mean of its divisors is an integer number (17809642812).

Almost surely, 270804189553 is an apocalyptic number.

It is an amenable number.

70804189553 is a deficient number, since it is larger than the sum of its proper divisors (434381695).

70804189553 is a wasteful number, since it uses less digits than its factorization.

70804189553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434381694.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 70804189553 in words is "seventy billion, eight hundred four million, one hundred eighty-nine thousand, five hundred fifty-three".

Divisors: 1 163 434381531 70804189553