Search a number
-
+
70821462698988 = 223139167254244973
BaseRepresentation
bin10000000110100101101000…
…001000000110101111101100
3100021202110120111121120211120
4100012211220020012233230
533240314323422331423
6410342533020020540
720626452603252351
oct2006455010065754
9307673514546746
1070821462698988
1120625239422281
127b39810691750
1330695873c0061
14136bac4466628
1582c367180ee3
hex406968206bec

70821462698988 has 48 divisors (see below), whose sum is σ = 167435570077440. Its totient is φ = 23296975274304.

The previous prime is 70821462698951. The next prime is 70821462699019. The reversal of 70821462698988 is 88989626412807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126843931 + ... + 127401042.

It is an arithmetic number, because the mean of its divisors is an integer number (3488241043280).

Almost surely, 270821462698988 is an apocalyptic number.

It is an amenable number.

70821462698988 is an abundant number, since it is smaller than the sum of its proper divisors (96614107378452).

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

70821462698988 is a wasteful number, since it uses less digits than its factorization.

70821462698988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254245286 (or 254245284 counting only the distinct ones).

The product of its (nonzero) digits is 1337720832, while the sum is 78.

The spelling of 70821462698988 in words is "seventy trillion, eight hundred twenty-one billion, four hundred sixty-two million, six hundred ninety-eight thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 139 167 278 334 417 501 556 668 834 1002 1668 2004 23213 46426 69639 92852 139278 278556 254244973 508489946 762734919 1016979892 1525469838 3050939676 35340051247 42458910491 70680102494 84917820982 106020153741 127376731473 141360204988 169835641964 212040307482 254753462946 424080614964 509506925892 5901788558249 11803577116498 17705365674747 23607154232996 35410731349494 70821462698988