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30121004001 = 311912757697
BaseRepresentation
bin11100000011010110…
…100000101111100001
32212202011222112122210
4130003112200233201
5443141434112001
621500513352333
72114266211124
oct340326405741
985664875583
1030121004001
1111857581140
125a075686a9
132ac0480cba
14165a5463bb
15bb457bdd6
hex7035a0be1

30121004001 has 8 divisors (see below), whose sum is σ = 43812369504. Its totient is φ = 18255153920.

The previous prime is 30121003973. The next prime is 30121004009. The reversal of 30121004001 is 10040012103.

It is a happy number.

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 30121004001 - 215 = 30120971233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30121004009) 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, 456378816 + ... + 456378881.

It is an arithmetic number, because the mean of its divisors is an integer number (5476546188).

Almost surely, 230121004001 is an apocalyptic number.

It is an amenable number.

30121004001 is a deficient number, since it is larger than the sum of its proper divisors (13691365503).

30121004001 is a wasteful number, since it uses less digits than its factorization.

30121004001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912757711.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 30121004001 its reverse (10040012103), we get a palindrome (40161016104).

The spelling of 30121004001 in words is "thirty billion, one hundred twenty-one million, four thousand, one".

Divisors: 1 3 11 33 912757697 2738273091 10040334667 30121004001