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20996000741 = 431409346543
BaseRepresentation
bin10011100011011101…
…011000101111100101
32000012020200100102002
4103203131120233211
5320444434010431
613351225055045
71342205030102
oct234335305745
960166610362
1020996000741
1189a4771131
12409b627485
131c97b446a1
1410326b1aa9
1582d40c3cb
hex4e3758be5

20996000741 has 8 divisors (see below), whose sum is σ = 21499589760. Its totient is φ = 20493107712.

The previous prime is 20996000699. The next prime is 20996000743. The reversal of 20996000741 is 14700069902.

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 20996000741 - 26 = 20996000677 is a prime.

It is a pancake number, because a pancake can be divided into 20996000741 parts by 204919 straight cuts.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20996000695 and 20996000704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20996000743) 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, 112685 + ... + 233858.

It is an arithmetic number, because the mean of its divisors is an integer number (2687448720).

Almost surely, 220996000741 is an apocalyptic number.

It is an amenable number.

20996000741 is a deficient number, since it is larger than the sum of its proper divisors (503589019).

20996000741 is a wasteful number, since it uses less digits than its factorization.

20996000741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347995.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 20996000741 in words is "twenty billion, nine hundred ninety-six million, seven hundred forty-one", and thus it is an aban number.

Divisors: 1 43 1409 60587 346543 14901349 488279087 20996000741