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61307924401 = 6110311238689
BaseRepresentation
bin111001000110001111…
…001010111110110001
312212020122200020201201
4321012033022332301
52001024312040101
644055305331201
74300160521243
oct710617127661
9185218606651
1061307924401
11240007a8019
12ba6ba96b01
135a2070b059
142d78478093
1518dc4aae01
hexe463cafb1

61307924401 has 16 divisors (see below), whose sum is σ = 62981226880. Its totient is φ = 59657368320.

The previous prime is 61307924399. The next prime is 61307924407. The reversal of 61307924401 is 10442970316.

It is a cyclic number.

It is not a de Polignac number, because 61307924401 - 21 = 61307924399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61307924407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7051465 + ... + 7060153.

It is an arithmetic number, because the mean of its divisors is an integer number (3936326680).

Almost surely, 261307924401 is an apocalyptic number.

61307924401 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

61307924401 is a deficient number, since it is larger than the sum of its proper divisors (1673302479).

61307924401 is a wasteful number, since it uses less digits than its factorization.

61307924401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9976.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 61307924401 in words is "sixty-one billion, three hundred seven million, nine hundred twenty-four thousand, four hundred one".

Divisors: 1 61 103 1123 6283 8689 68503 115669 530029 894967 7055809 9757747 54592987 595222567 1005047941 61307924401