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10102123132231 = 137433089338581
BaseRepresentation
bin1001001100000001010101…
…1101011111010101000111
31022202202100022220212222011
42103000111131133111013
52311003122010212411
633252503514115051
72061566012552554
oct223002535372507
938682308825864
1010102123132231
113245317167859
121171a3871ba87
1358381a794b10
1426cd3413ba2b
15127ba5763c21
hex9301575f547

10102123132231 has 16 divisors (see below), whose sum is σ = 10897410646080. Its totient is φ = 9309443996160.

The previous prime is 10102123132223. The next prime is 10102123132237. The reversal of 10102123132231 is 13223132120101.

10102123132231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10102123132231 - 23 = 10102123132223 is a prime.

It is a super-2 number, since 2×101021231322312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102123132237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29667361 + ... + 30005941.

It is an arithmetic number, because the mean of its divisors is an integer number (681088165380).

Almost surely, 210102123132231 is an apocalyptic number.

10102123132231 is a deficient number, since it is larger than the sum of its proper divisors (795287513849).

10102123132231 is a wasteful number, since it uses less digits than its factorization.

10102123132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342426.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 10102123132231 its reverse (13223132120101), we get a palindrome (23325255252332).

The spelling of 10102123132231 in words is "ten trillion, one hundred two billion, one hundred twenty-three million, one hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 13 743 3089 9659 40157 338581 2295127 4401553 29836651 251565683 1045876709 3270353879 13596397217 777086394787 10102123132231