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61354001416 = 2331247395167
BaseRepresentation
bin111001001000111110…
…111100010000001000
312212100212101012111211
4321020332330100020
52001123111021131
644104033102504
74301260256461
oct711076742010
9185325335454
1061354001416
11240248093a4
12ba833b7a34
135a2a121966
142d8062dd68
1518e155d5b1
hexe48fbc408

61354001416 has 16 divisors (see below), whose sum is σ = 118749680640. Its totient is φ = 29687419920.

The previous prime is 61354001393. The next prime is 61354001437. The reversal of 61354001416 is 61410045316.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123697336 + ... + 123697831.

It is an arithmetic number, because the mean of its divisors is an integer number (7421855040).

Almost surely, 261354001416 is an apocalyptic number.

It is an amenable number.

61354001416 is a deficient number, since it is larger than the sum of its proper divisors (57395679224).

61354001416 is a wasteful number, since it uses less digits than its factorization.

61354001416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247395204 (or 247395200 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 61354001416 in words is "sixty-one billion, three hundred fifty-four million, one thousand, four hundred sixteen".

Divisors: 1 2 4 8 31 62 124 248 247395167 494790334 989580668 1979161336 7669250177 15338500354 30677000708 61354001416