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47476156420 = 22571130828673
BaseRepresentation
bin101100001101110011…
…001010100000000100
311112112200202122002201
4230031303022200010
51234212344001140
633451002444244
73300334446130
oct541563124004
9145480678081
1047476156420
1119153064010
12924b803684
134627c12864
1424254743c0
15137d00949a
hexb0dcca804

47476156420 has 48 divisors (see below), whose sum is σ = 124301213568. Its totient is φ = 14797762560.

The previous prime is 47476156417. The next prime is 47476156421. The reversal of 47476156420 is 2465167474.

It is not an unprimeable number, because it can be changed into a prime (47476156421) 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, 15412797 + ... + 15415876.

It is an arithmetic number, because the mean of its divisors is an integer number (2589608616).

Almost surely, 247476156420 is an apocalyptic number.

It is an amenable number.

47476156420 is an abundant number, since it is smaller than the sum of its proper divisors (76825057148).

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

47476156420 is a wasteful number, since it uses less digits than its factorization.

47476156420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30828700 (or 30828698 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 47476156420 in words is "forty-seven billion, four hundred seventy-six million, one hundred fifty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 30828673 61657346 123314692 154143365 215800711 308286730 339115403 431601422 616573460 678230806 863202844 1079003555 1356461612 1695577015 2158007110 2373807821 3391154030 4316014220 4747615642 6782308060 9495231284 11869039105 23738078210 47476156420