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1000020431032 = 23717857507697
BaseRepresentation
bin11101000110101011101…
…11001101000010111000
310112121020010212102120221
432203111313031002320
5112341020212243112
62043223020225424
7132151303261510
oct16432567150270
93477203772527
101000020431032
11356119510047
1214198899b274
13733bc5a01cc
1436589044840
151b02d44ee07
hexe8d5dcd0b8

1000020431032 has 16 divisors (see below), whose sum is σ = 2142900923760. Its totient is φ = 428580184704.

The previous prime is 1000020431023. The next prime is 1000020431041. The reversal of 1000020431032 is 2301340200001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1000020431023) and next prime (1000020431041).

It is a junction number, because it is equal to n+sod(n) for n = 1000020430997 and 1000020431015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8928753793 + ... + 8928753904.

It is an arithmetic number, because the mean of its divisors is an integer number (133931307735).

Almost surely, 21000020431032 is an apocalyptic number.

It is an amenable number.

1000020431032 is an abundant number, since it is smaller than the sum of its proper divisors (1142880492728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000020431032 is a wasteful number, since it uses less digits than its factorization.

1000020431032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17857507710 (or 17857507706 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1000020431032 its reverse (2301340200001), we get a palindrome (3301360631033).

The spelling of 1000020431032 in words is "one trillion, twenty million, four hundred thirty-one thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 56 17857507697 35715015394 71430030788 125002553879 142860061576 250005107758 500010215516 1000020431032