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101223131224 = 2312652891403
BaseRepresentation
bin101111001000101011…
…1100110100001011000
3100200021102011211212011
41132101113212201120
53124301110144344
6114300134555304
710212255263515
oct1362127464130
9320242154764
10101223131224
1139a23900756
121774b508b34
139712042627
144c8369230c
1529767e3d34
hex17915e6858

101223131224 has 8 divisors (see below), whose sum is σ = 189793371060. Its totient is φ = 50611565608.

The previous prime is 101223131213. The next prime is 101223131231. The reversal of 101223131224 is 422131322101.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1012231312242 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101223131195 and 101223131204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6326445694 + ... + 6326445709.

Almost surely, 2101223131224 is an apocalyptic number.

It is an amenable number.

101223131224 is a deficient number, since it is larger than the sum of its proper divisors (88570239836).

101223131224 is a wasteful number, since it uses less digits than its factorization.

101223131224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12652891409 (or 12652891405 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 101223131224 its reverse (422131322101), we get a palindrome (523354453325).

The spelling of 101223131224 in words is "one hundred one billion, two hundred twenty-three million, one hundred thirty-one thousand, two hundred twenty-four".

Divisors: 1 2 4 8 12652891403 25305782806 50611565612 101223131224