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61224480402 = 2310204080067
BaseRepresentation
bin111001000001010000…
…110110111010010010
312212000211122212002020
4321001100312322102
52000341431333102
644043125032310
74265125332261
oct710120667222
9185024585066
1061224480402
1123a68694338
12ba47b55696
135a093431c7
142d6b3565d8
1518d4ec6bbc
hexe41436e92

61224480402 has 8 divisors (see below), whose sum is σ = 122448960816. Its totient is φ = 20408160132.

The previous prime is 61224480371. The next prime is 61224480509. The reversal of 61224480402 is 20408442216.

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

61224480402 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 5102040028 + ... + 5102040039.

It is an arithmetic number, because the mean of its divisors is an integer number (15306120102).

Almost surely, 261224480402 is an apocalyptic number.

61224480402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61224480402 is a wasteful number, since it uses less digits than its factorization.

61224480402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10204080072.

The product of its (nonzero) digits is 24576, while the sum is 33.

The spelling of 61224480402 in words is "sixty-one billion, two hundred twenty-four million, four hundred eighty thousand, four hundred two".

Divisors: 1 2 3 6 10204080067 20408160134 30612240201 61224480402