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20293738402 = 2713910428437
BaseRepresentation
bin10010111001100110…
…011101111110100010
31221101022020201120211
4102321212131332202
5313030144112102
613153421124334
71315616634040
oct227146357642
957338221524
1020293738402
118674317033
123b243b96aa
131bb54c2642
14da7309390
157db93e7d7
hex4b999dfa2

20293738402 has 16 divisors (see below), whose sum is σ = 35039551680. Its totient is φ = 8634745008.

The previous prime is 20293738397. The next prime is 20293738411. The reversal of 20293738402 is 20483739202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5212273 + ... + 5216164.

It is an arithmetic number, because the mean of its divisors is an integer number (2189971980).

Almost surely, 220293738402 is an apocalyptic number.

20293738402 is a deficient number, since it is larger than the sum of its proper divisors (14745813278).

20293738402 is a wasteful number, since it uses less digits than its factorization.

20293738402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10428585.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 20293738402 in words is "twenty billion, two hundred ninety-three million, seven hundred thirty-eight thousand, four hundred two".

Divisors: 1 2 7 14 139 278 973 1946 10428437 20856874 72999059 145998118 1449552743 2899105486 10146869201 20293738402