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52857143404 = 221319227235679
BaseRepresentation
bin110001001110100010…
…000000000001101100
312001102201001002112221
4301032202000001230
51331222412042104
640140544005124
73550564206622
oct611642000154
9161381032487
1052857143404
112046453019a
12a2b19007a4
134ca4986920
1427b5d8b512
15159561ac54
hexc4e88006c

52857143404 has 48 divisors (see below), whose sum is σ = 105320678400. Its totient is φ = 23009714496.

The previous prime is 52857143401. The next prime is 52857143407. The reversal of 52857143404 is 40434175825.

It is an interprime number because it is at equal distance from previous prime (52857143401) and next prime (52857143407).

It is not an unprimeable number, because it can be changed into a prime (52857143401) 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, 106437 + ... + 342115.

It is an arithmetic number, because the mean of its divisors is an integer number (2194180800).

Almost surely, 252857143404 is an apocalyptic number.

It is an amenable number.

52857143404 is a deficient number, since it is larger than the sum of its proper divisors (52463534996).

52857143404 is a wasteful number, since it uses less digits than its factorization.

52857143404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235942 (or 235940 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 52857143404 in words is "fifty-two billion, eight hundred fifty-seven million, one hundred forty-three thousand, four hundred four".

Divisors: 1 2 4 13 19 26 38 52 76 227 247 454 494 908 988 2951 4313 5902 8626 11804 17252 56069 112138 224276 235679 471358 942716 3063827 4477901 6127654 8955802 12255308 17911604 53499133 58212713 106998266 116425426 213996532 232850852 695488729 1016483527 1390977458 2032967054 2781954916 4065934108 13214285851 26428571702 52857143404