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215084104941 = 31728115008311
BaseRepresentation
bin1100100001010000000…
…0101111110011101101
3202120011120200121110210
43020110000233303231
512010443012324231
6242450330453033
721352661504226
oct3102400576355
9676146617423
10215084104941
1183242408532
1235827294179
1317389404b64
14a5a555a24d
1558dc84da46
hex321402fced

215084104941 has 16 divisors (see below), whose sum is σ = 304728766848. Its totient is φ = 134474457600.

The previous prime is 215084104903. The next prime is 215084104951. The reversal of 215084104941 is 149401480512.

It is not a de Polignac number, because 215084104941 - 27 = 215084104813 is a prime.

It is a super-2 number, since 2×2150841049412 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 215084104941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215084104951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7489825 + ... + 7518486.

It is an arithmetic number, because the mean of its divisors is an integer number (19045547928).

Almost surely, 2215084104941 is an apocalyptic number.

It is an amenable number.

215084104941 is a deficient number, since it is larger than the sum of its proper divisors (89644661907).

215084104941 is a wasteful number, since it uses less digits than its factorization.

215084104941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15008612.

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 215084104941 in words is "two hundred fifteen billion, eighty-four million, one hundred four thousand, nine hundred forty-one".

Divisors: 1 3 17 51 281 843 4777 14331 15008311 45024933 255141287 765423861 4217335391 12652006173 71694701647 215084104941