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7379172013 = 61613197341
BaseRepresentation
bin1101101111101010…
…10011101010101101
3201001021012210000011
412313311103222231
5110103032001023
63220121133221
7350601633013
oct66765235255
921037183004
107379172013
113147394174
12151b32a211
13907a34295
1450005c8b3
152d2c6650d
hex1b7d53aad

7379172013 has 8 divisors (see below), whose sum is σ = 7512415256. Its totient is φ = 7246324800.

The previous prime is 7379171999. The next prime is 7379172023. The reversal of 7379172013 is 3102719737.

It can be written as a sum of positive squares in 4 ways, for example, as 547653604 + 6831518409 = 23402^2 + 82653^2 .

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 7379172013 - 229 = 6842301101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7379172023) 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, 61278 + ... + 136063.

It is an arithmetic number, because the mean of its divisors is an integer number (939051907).

Almost surely, 27379172013 is an apocalyptic number.

It is an amenable number.

7379172013 is a deficient number, since it is larger than the sum of its proper divisors (133243243).

7379172013 is a wasteful number, since it uses less digits than its factorization.

7379172013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198015.

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 7379172013 is about 85902.1071511054. The cubic root of 7379172013 is about 1946.8651812701.

The spelling of 7379172013 in words is "seven billion, three hundred seventy-nine million, one hundred seventy-two thousand, thirteen".

Divisors: 1 61 613 37393 197341 12037801 120970033 7379172013