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39420009901 = 371795951987
BaseRepresentation
bin100100101101100111…
…011001110110101101
310202202020200222122201
4210231213121312231
51121213010304101
630035335341501
72563602361366
oct445547316655
9122666628581
1039420009901
1115799627988
127781821891
133942b7175c
141c9d552b6d
15105ab1ce01
hex92d9d9dad

39420009901 has 8 divisors (see below), whose sum is σ = 40711597920. Its totient is φ = 38140326288.

The previous prime is 39420009869. The next prime is 39420009943. The reversal of 39420009901 is 10990002493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39420009901 - 25 = 39420009869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39420009961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2969371 + ... + 2982616.

It is an arithmetic number, because the mean of its divisors is an integer number (5088949740).

Almost surely, 239420009901 is an apocalyptic number.

It is an amenable number.

39420009901 is a deficient number, since it is larger than the sum of its proper divisors (1291588019).

39420009901 is a wasteful number, since it uses less digits than its factorization.

39420009901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5952203.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 39420009901 in words is "thirty-nine billion, four hundred twenty million, nine thousand, nine hundred one".

Divisors: 1 37 179 6623 5951987 220223519 1065405673 39420009901