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47406729444473 = 729531015198609
BaseRepresentation
bin10101100011101101111010…
…10001001011110001111001
320012212001001111002120001202
422301312331101023301321
522203202440214210343
6244454203441223545
712662010643410500
oct1261667521136171
9205761044076052
1047406729444473
1114118098975a73
1253978a9931bb5
13205b587778719
14b9c6d8523837
155732579d8db8
hex2b1dbd44bc79

47406729444473 has 12 divisors (see below), whose sum is σ = 55204470014580. Its totient is φ = 40591701142272.

The previous prime is 47406729444433. The next prime is 47406729444493. The reversal of 47406729444473 is 37444492760474.

It can be written as a sum of positive squares in 2 ways, for example, as 18410518399504 + 28996211044969 = 4290748^2 + 5384813^2 .

It is a de Polignac number, because none of the positive numbers 2k-47406729444473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47406729444433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 507552608 + ... + 507646001.

It is an arithmetic number, because the mean of its divisors is an integer number (4600372501215).

Almost surely, 247406729444473 is an apocalyptic number.

It is an amenable number.

47406729444473 is a deficient number, since it is larger than the sum of its proper divisors (7797740570107).

47406729444473 is a wasteful number, since it uses less digits than its factorization.

47406729444473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015199576 (or 1015199569 counting only the distinct ones).

The product of its (nonzero) digits is 455196672, while the sum is 65.

The spelling of 47406729444473 in words is "forty-seven trillion, four hundred six billion, seven hundred twenty-nine million, four hundred forty-four thousand, four hundred seventy-three".

Divisors: 1 7 49 953 6671 46697 1015198609 7106390263 49744731841 967484274377 6772389920639 47406729444473