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70205407436 = 22192851324011
BaseRepresentation
bin100000101100010010…
…0011000000011001100
320201012201212012220102
41001120210120003030
52122240041014221
652130225310232
75033520055103
oct1013044300314
9221181765812
1070205407436
112785713878a
1211733795378
13680ab76008
14358000503a
151c5d68730b
hex10589180cc

70205407436 has 24 divisors (see below), whose sum is σ = 129371511360. Its totient is φ = 33243426000.

The previous prime is 70205407409. The next prime is 70205407457. The reversal of 70205407436 is 63470450207.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 70205407436.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54671 + ... + 378681.

It is an arithmetic number, because the mean of its divisors is an integer number (5390479640).

Almost surely, 270205407436 is an apocalyptic number.

70205407436 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

70205407436 is a deficient number, since it is larger than the sum of its proper divisors (59166103924).

70205407436 is a wasteful number, since it uses less digits than its factorization.

70205407436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326885 (or 326883 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 70205407436 in words is "seventy billion, two hundred five million, four hundred seven thousand, four hundred thirty-six".

Divisors: 1 2 4 19 38 76 2851 5702 11404 54169 108338 216676 324011 648022 1296044 6156209 12312418 24624836 923755361 1847510722 3695021444 17551351859 35102703718 70205407436