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30011839292921 = 197427135669483
BaseRepresentation
bin1101101001011101011010…
…00001010010010111111001
310221021002210200102011011112
412310232231001102113321
512413203221324333141
6143455125412210105
76215166232620203
oct664565501222771
9127232720364145
1030011839292921
119620a49968062
1234485b4309935
1313991481c6515
1475a81b8d3773
15370a243a27eb
hex1b4bad0525f9

30011839292921 has 8 divisors (see below), whose sum is σ = 30171247058304. Its totient is φ = 29852502875440.

The previous prime is 30011839292891. The next prime is 30011839292923. The reversal of 30011839292921 is 12929293811003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30011839292921 - 210 = 30011839291897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30011839292921.

It is not an unprimeable number, because it can be changed into a prime (30011839292923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16993355 + ... + 18676128.

It is an arithmetic number, because the mean of its divisors is an integer number (3771405882288).

Almost surely, 230011839292921 is an apocalyptic number.

It is an amenable number.

30011839292921 is a deficient number, since it is larger than the sum of its proper divisors (159407765383).

30011839292921 is a wasteful number, since it uses less digits than its factorization.

30011839292921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35673951.

The product of its (nonzero) digits is 419904, while the sum is 50.

The spelling of 30011839292921 in words is "thirty trillion, eleven billion, eight hundred thirty-nine million, two hundred ninety-two thousand, nine hundred twenty-one".

Divisors: 1 197 4271 841387 35669483 7026888151 152344361893 30011839292921