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10202001001 = 179101356263
BaseRepresentation
bin10011000000001011…
…00010111001101001
3222022222212100101221
421200011202321221
5131343203013001
64404200142041
7510546402103
oct114005427151
928288770357
1010202001001
114365844395
121b88767921
13c677c54aa
146cad06573
153ea9b01a1
hex260162e69

10202001001 has 8 divisors (see below), whose sum is σ = 10269305280. Its totient is φ = 10134811632.

The previous prime is 10202000993. The next prime is 10202001041. The reversal of 10202001001 is 10010020201.

Adding to 10202001001 its reverse (10010020201), we get a palindrome (20212021202).

It can be divided in two parts, 1020200 and 1001, that added together give a palindrome (1021201).

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 10202001001 - 23 = 10202000993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202001041) 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, 153196 + ... + 209458.

It is an arithmetic number, because the mean of its divisors is an integer number (1283663160).

Almost surely, 210202001001 is an apocalyptic number.

It is an amenable number.

10202001001 is a deficient number, since it is larger than the sum of its proper divisors (67304279).

10202001001 is a wasteful number, since it uses less digits than its factorization.

10202001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57455.

The product of its (nonzero) digits is 4, while the sum is 7.

The spelling of 10202001001 in words is "ten billion, two hundred two million, one thousand, one".

Divisors: 1 179 1013 56263 181327 10071077 56994419 10202001001