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70023155477 = 1131205346497
BaseRepresentation
bin100000100110110110…
…1001000111100010101
320200202000220212012212
41001031231020330111
52121401411433402
652100155123205
75026145000222
oct1011555107425
9220660825185
1070023155477
1127773278130
12116a2743505
1367ac194112
143563b22949
151c4c686952
hex104db48f15

70023155477 has 8 divisors (see below), whose sum is σ = 78853055232. Its totient is φ = 61603948800.

The previous prime is 70023155473. The next prime is 70023155479. The reversal of 70023155477 is 77455132007.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70023155477 - 22 = 70023155473 is a prime.

It is a super-2 number, since 2×700231554772 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70023155473) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 102672908 + ... + 102673589.

It is an arithmetic number, because the mean of its divisors is an integer number (9856631904).

Almost surely, 270023155477 is an apocalyptic number.

It is an amenable number.

70023155477 is a deficient number, since it is larger than the sum of its proper divisors (8829899755).

70023155477 is a wasteful number, since it uses less digits than its factorization.

70023155477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205346539.

The product of its (nonzero) digits is 205800, while the sum is 41.

The spelling of 70023155477 in words is "seventy billion, twenty-three million, one hundred fifty-five thousand, four hundred seventy-seven".

Divisors: 1 11 31 341 205346497 2258811467 6365741407 70023155477