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39886230494 = 2114738574691
BaseRepresentation
bin100101001001011001…
…111001001111011110
310210221201222110002002
4211021121321033132
51123141333333434
630153512202302
72611263236165
oct451131711736
9123851873062
1039886230494
1115a08812360
127891999392
1339b862a526
141d054343dc
151086a1257e
hex9496793de

39886230494 has 16 divisors (see below), whose sum is σ = 66657067776. Its totient is φ = 17744357400.

The previous prime is 39886230457. The next prime is 39886230521. The reversal of 39886230494 is 49403268893.

It is a super-2 number, since 2×398862304942 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 19286312 + ... + 19288379.

It is an arithmetic number, because the mean of its divisors is an integer number (4166066736).

Almost surely, 239886230494 is an apocalyptic number.

39886230494 is a deficient number, since it is larger than the sum of its proper divisors (26770837282).

39886230494 is a wasteful number, since it uses less digits than its factorization.

39886230494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38574751.

The product of its (nonzero) digits is 8957952, while the sum is 56.

The spelling of 39886230494 in words is "thirty-nine billion, eight hundred eighty-six million, two hundred thirty thousand, four hundred ninety-four".

Divisors: 1 2 11 22 47 94 517 1034 38574691 77149382 424321601 848643202 1813010477 3626020954 19943115247 39886230494