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70144143901 = 13233718613407
BaseRepresentation
bin100000101010011101…
…0101011001000011101
320201001110120201010121
41001110322223020131
52122123400101101
652120200234541
75032144246156
oct1012472531035
9221043521117
1070144143901
11278255a4567
121171716ba51
1367cb275bc0
143575c1892d
151c580d50a1
hex1054eab21d

70144143901 has 32 divisors (see below), whose sum is σ = 81021846528. Its totient is φ = 60209360640.

The previous prime is 70144143851. The next prime is 70144143913. The reversal of 70144143901 is 10934144107.

It is a happy number.

It is not a de Polignac number, because 70144143901 - 215 = 70144111133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70144143941) 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 31 ways as a sum of consecutive naturals, for example, 20586540 + ... + 20589946.

It is an arithmetic number, because the mean of its divisors is an integer number (2531932704).

Almost surely, 270144143901 is an apocalyptic number.

It is an amenable number.

70144143901 is a deficient number, since it is larger than the sum of its proper divisors (10877702627).

70144143901 is a wasteful number, since it uses less digits than its factorization.

70144143901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 70144143901 in words is "seventy billion, one hundred forty-four million, one hundred forty-three thousand, nine hundred one".

Divisors: 1 13 23 37 299 481 851 1861 3407 11063 24193 42803 44291 68857 78361 126059 556439 895141 1018693 1583711 1638767 2899357 6340427 20588243 37691641 82425551 145829821 234595799 1895787673 3049745387 5395703377 70144143901