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47866897344 = 263725087893
BaseRepresentation
bin101100100101000101…
…101110001111000000
311120112221000022212210
4230211011232033000
51241012411203334
633553441422120
73313120625400
oct544505561700
9146487008783
1047866897344
11193336854a2
12933a63a940
13468ab618c6
142461308800
1513a248e5e9
hexb2516e3c0

47866897344 has 84 divisors (see below), whose sum is σ = 147325058664. Its totient is φ = 13676253696.

The previous prime is 47866897339. The next prime is 47866897369. The reversal of 47866897344 is 44379866874.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-2 number, since 2×478668973442 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2534539 + ... + 2553354.

It is an arithmetic number, because the mean of its divisors is an integer number (1753869746).

Almost surely, 247866897344 is an apocalyptic number.

It is an amenable number.

47866897344 is an abundant number, since it is smaller than the sum of its proper divisors (99458161320).

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

47866897344 is a wasteful number, since it uses less digits than its factorization.

47866897344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087922 (or 5087905 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 66.

The spelling of 47866897344 in words is "forty-seven billion, eight hundred sixty-six million, eight hundred ninety-seven thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 147 168 192 196 224 294 336 392 448 588 672 784 1176 1344 1568 2352 3136 4704 9408 5087893 10175786 15263679 20351572 30527358 35615251 40703144 61054716 71230502 81406288 106845753 122109432 142461004 162812576 213691506 244218864 249306757 284922008 325625152 427383012 488437728 498613514 569844016 747920271 854766024 976875456 997227028 1139688032 1495840542 1709532048 1994454056 2279376064 2991681084 3419064096 3988908112 5983362168 6838128192 7977816224 11966724336 15955632448 23933448672 47866897344