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70148640530 = 2534920879631
BaseRepresentation
bin100000101010100101…
…1110100111100010010
320201001210001011100102
41001111023310330102
52122131022444110
652120440452402
75032230414653
oct1012513647422
9221053034312
1070148640530
1127828095991
121171877a102
1367cc18b827
14357666952a
151c586c25a5
hex10552f4f12

70148640530 has 32 divisors (see below), whose sum is σ = 126703180800. Its totient is φ = 27962746560.

The previous prime is 70148640503. The next prime is 70148640571. The reversal of 70148640530 is 3504684107.

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, 7278815 + ... + 7288445.

It is an arithmetic number, because the mean of its divisors is an integer number (3959474400).

Almost surely, 270148640530 is an apocalyptic number.

70148640530 is a deficient number, since it is larger than the sum of its proper divisors (56554540270).

70148640530 is a wasteful number, since it uses less digits than its factorization.

70148640530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12074.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 70148640530 in words is "seventy billion, one hundred forty-eight million, six hundred forty thousand, five hundred thirty".

Divisors: 1 2 5 10 349 698 1745 2087 3490 4174 9631 10435 19262 20870 48155 96310 728363 1456726 3361219 3641815 6722438 7283630 16806095 20099897 33612190 40199794 100499485 200998970 7014864053 14029728106 35074320265 70148640530