Search a number
-
+
1915461052416 = 21132103920413
BaseRepresentation
bin11011110111111010011…
…000000010100000000000
320210010010202220100102100
4123313322120002200000
5222340331012134131
64023541201550400
7255246624210102
oct33677230024000
96703122810370
101915461052416
1167938491225a
1226b290045400
1310b81cc6a272
14689ccd8b572
1534c5b2ca7e6
hex1bdfa602800

1915461052416 has 72 divisors (see below), whose sum is σ = 5532203239290. Its totient is φ = 638487011328.

The previous prime is 1915461052403. The next prime is 1915461052447. The reversal of 1915461052416 is 6142501645191.

1915461052416 is a `hidden beast` number, since 1 + 9 + 1 + 5 + 4 + 610 + 5 + 24 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1845511382016 + 69949670400 = 1358496^2 + 264480^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×19154610524162 (a number of 25 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 51941775 + ... + 51978638.

Almost surely, 21915461052416 is an apocalyptic number.

1915461052416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1915461052416 is an abundant number, since it is smaller than the sum of its proper divisors (3616742186874).

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

1915461052416 is a wasteful number, since it uses less digits than its factorization.

1915461052416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103920441 (or 103920418 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 1915461052416 in words is "one trillion, nine hundred fifteen billion, four hundred sixty-one million, fifty-two thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1152 1536 2048 2304 3072 4608 6144 9216 18432 103920413 207840826 311761239 415681652 623522478 831363304 935283717 1247044956 1662726608 1870567434 2494089912 3325453216 3741134868 4988179824 6650906432 7482269736 9976359648 13301812864 14964539472 19952719296 26603625728 29929078944 39905438592 53207251456 59858157888 79810877184 106414502912 119716315776 159621754368 212829005824 239432631552 319243508736 478865263104 638487017472 957730526208 1915461052416