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1630344741672 = 2331091813443207
BaseRepresentation
bin10111101110011000000…
…111101000001100101000
312202212012112021002000110
4113232120013220030220
5203202421223213142
63244545305534320
7225534314436453
oct27563007501450
95685175232013
101630344741672
11579475115a99
12223b7b1a43a0
13ba982852a9a
1458ca283449a
152c62060899c
hex17b981e8328

1630344741672 has 64 divisors (see below), whose sum is σ = 4135981449600. Its totient is φ = 535487397120.

The previous prime is 1630344741659. The next prime is 1630344741703. The reversal of 1630344741672 is 2761474430361.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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, 1248108 + ... + 2195099.

It is an arithmetic number, because the mean of its divisors is an integer number (64624710150).

Almost surely, 21630344741672 is an apocalyptic number.

1630344741672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1630344741672 is an abundant number, since it is smaller than the sum of its proper divisors (2505636707928).

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

1630344741672 is a wasteful number, since it uses less digits than its factorization.

1630344741672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443506 (or 3443502 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 48.

The spelling of 1630344741672 in words is "one trillion, six hundred thirty billion, three hundred forty-four million, seven hundred forty-one thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 109 181 218 327 362 436 543 654 724 872 1086 1308 1448 2172 2616 4344 19729 39458 59187 78916 118374 157832 236748 473496 3443207 6886414 10329621 13772828 20659242 27545656 41318484 82636968 375309563 623220467 750619126 1125928689 1246440934 1501238252 1869661401 2251857378 2492881868 3002476504 3739322802 4503714756 4985763736 7478645604 9007429512 14957291208 67931030903 135862061806 203793092709 271724123612 407586185418 543448247224 815172370836 1630344741672