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20342383432 = 237363256847
BaseRepresentation
bin10010111100100000…
…000010001101001000
31221111200210011000121
4102330200002031020
5313130122232212
613202315513024
71320050256220
oct227440021510
957450704017
1020342383432
118699821838
123b38758774
131bc25c5097
14dad96d080
157e0d4cd07
hex4bc802348

20342383432 has 16 divisors (see below), whose sum is σ = 43590821760. Its totient is φ = 8718164304.

The previous prime is 20342383417. The next prime is 20342383469. The reversal of 20342383432 is 23438324302.

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, 181628368 + ... + 181628479.

It is an arithmetic number, because the mean of its divisors is an integer number (2724426360).

Almost surely, 220342383432 is an apocalyptic number.

It is an amenable number.

20342383432 is an abundant number, since it is smaller than the sum of its proper divisors (23248438328).

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

20342383432 is a wasteful number, since it uses less digits than its factorization.

20342383432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363256860 (or 363256856 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

The spelling of 20342383432 in words is "twenty billion, three hundred forty-two million, three hundred eighty-three thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 363256847 726513694 1453027388 2542797929 2906054776 5085595858 10171191716 20342383432