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16970019378 = 23131729441307
BaseRepresentation
bin11111100110111110…
…11111001000110010
31121210200002022020020
433303133133020302
5234223311110003
611443530224310
71140350533104
oct176337371062
947720068206
1016970019378
117219151804
123357285096
1317a5a271b0
14b6db17574
15694c53d53
hex3f37df232

16970019378 has 64 divisors (see below), whose sum is σ = 40035461760. Its totient is φ = 4744922112.

The previous prime is 16970019331. The next prime is 16970019397. The reversal of 16970019378 is 87391007961.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 16970019378.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182200 + ... + 259107.

It is an arithmetic number, because the mean of its divisors is an integer number (625554090).

Almost surely, 216970019378 is an apocalyptic number.

16970019378 is an abundant number, since it is smaller than the sum of its proper divisors (23065442382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16970019378 is a wasteful number, since it uses less digits than its factorization.

16970019378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441371.

The product of its (nonzero) digits is 571536, while the sum is 51.

The spelling of 16970019378 in words is "sixteen billion, nine hundred seventy million, nineteen thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 13 17 26 29 34 39 51 58 78 87 102 174 221 377 442 493 663 754 986 1131 1326 1479 2262 2958 6409 12818 19227 38454 441307 882614 1323921 2647842 5736991 7502219 11473982 12797903 15004438 17210973 22506657 25595806 34421946 38393709 45013314 76787418 97528847 166372739 195057694 217564351 292586541 332745478 435128702 499118217 585173082 652693053 998236434 1305386106 2828336563 5656673126 8485009689 16970019378