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47238734658656 = 2517531638413383
BaseRepresentation
bin10101011110110100111111…
…11111111011110001100000
320012020222102122021012200102
422233122133333323301200
522142424412033034111
6244245101454041532
712643612611322022
oct1257323777736140
9205228378235612
1047238734658656
1114062920226a02
12536b2247a92a8
1320487940a3108
14b9451cd02012
1556dbc423113b
hex2af69fffbc60

47238734658656 has 48 divisors (see below), whose sum is σ = 100329881982624. Its totient is φ = 21810558941184.

The previous prime is 47238734658637. The next prime is 47238734658667. The reversal of 47238734658656 is 65685643783274.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819177860 + ... + 819235523.

It is an arithmetic number, because the mean of its divisors is an integer number (2090205874638).

Almost surely, 247238734658656 is an apocalyptic number.

It is an amenable number.

47238734658656 is an abundant number, since it is smaller than the sum of its proper divisors (53091147323968).

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

47238734658656 is a wasteful number, since it uses less digits than its factorization.

47238734658656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638413463 (or 1638413455 counting only the distinct ones).

The product of its digits is 4877107200, while the sum is 74.

The spelling of 47238734658656 in words is "forty-seven trillion, two hundred thirty-eight billion, seven hundred thirty-four million, six hundred fifty-eight thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 17 32 34 53 68 106 136 212 272 424 544 848 901 1696 1802 3604 7208 14416 28832 1638413383 3276826766 6553653532 13107307064 26214614128 27853027511 52429228256 55706055022 86835909299 111412110044 173671818598 222824220088 347343637196 445648440176 694687274392 891296880352 1389374548784 1476210458083 2778749097568 2952420916166 5904841832332 11809683664664 23619367329328 47238734658656