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2153121025001 = 7939839684121
BaseRepresentation
bin11111010101010000000…
…000111000101111101001
321121211120201001212021012
4133111100000320233221
5240234042440300001
64325044035553305
7311362226512412
oct37252000705751
97554521055235
102153121025001
11760151761241
122a9357a5b835
131280665c068b
14762d694c809
153b01aaaa2bb
hex1f550038be9

2153121025001 has 8 divisors (see below), whose sum is σ = 2180433638400. Its totient is φ = 2125809859680.

The previous prime is 2153121024973. The next prime is 2153121025037. The reversal of 2153121025001 is 1005201213512.

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 2153121025001 - 26 = 2153121024937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153121025801) 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, 2805221 + ... + 3489341.

It is an arithmetic number, because the mean of its divisors is an integer number (272554204800).

Almost surely, 22153121025001 is an apocalyptic number.

It is an amenable number.

2153121025001 is a deficient number, since it is larger than the sum of its proper divisors (27312613399).

2153121025001 is an equidigital number, since it uses as much as digits as its factorization.

2153121025001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724039.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 2153121025001 its reverse (1005201213512), we get a palindrome (3158322238513).

The spelling of 2153121025001 in words is "two trillion, one hundred fifty-three billion, one hundred twenty-one million, twenty-five thousand, one".

Divisors: 1 79 39839 684121 3147281 54045559 27254696519 2153121025001