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47018386844 = 221113376613361
BaseRepresentation
bin101011110010100000…
…111010010110011100
311111100210101112021222
4223302200322112130
51232243201334334
633333331112512
73253105460012
oct536240722634
9144323345258
1047018386844
1118a38720a50
129142442738
1345841255a0
1423c07528b2
151352c33d2e
hexaf283a59c

47018386844 has 96 divisors (see below), whose sum is σ = 99459579072. Its totient is φ = 19160064000.

The previous prime is 47018386813. The next prime is 47018386853. The reversal of 47018386844 is 44868381074.

47018386844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13987724 + ... + 13991084.

It is an arithmetic number, because the mean of its divisors is an integer number (1036037282).

Almost surely, 247018386844 is an apocalyptic number.

47018386844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47018386844 is an abundant number, since it is smaller than the sum of its proper divisors (52441192228).

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

47018386844 is a wasteful number, since it uses less digits than its factorization.

47018386844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087 (or 4085 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 53.

The spelling of 47018386844 in words is "forty-seven billion, eighteen million, three hundred eighty-six thousand, eight hundred forty-four".

Divisors: 1 2 4 11 13 22 26 37 44 52 74 143 148 286 407 481 572 661 814 962 1322 1628 1924 2644 3361 5291 6722 7271 8593 10582 13444 14542 17186 21164 24457 29084 34372 36971 43693 48914 73942 87386 94523 97828 124357 147884 174772 189046 248714 269027 317941 378092 480623 497428 538054 635882 961246 1076108 1271764 1367927 1616641 1922492 2221621 2735854 3233282 3497351 4443242 5471708 6466564 6994702 8886484 13989404 17783051 24437831 28881073 35566102 48875662 57762146 71132204 82199977 97751324 115524292 164399954 317691803 328799908 635383606 904199747 1068599701 1270767212 1808399494 2137199402 3616798988 4274398804 11754596711 23509193422 47018386844