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85902949237 = 7217223462443
BaseRepresentation
bin101000000000000110…
…1101111101101110101
322012201201112222001111
41100000031233231311
52401412123333422
6103244022155021
76130520010100
oct1200015575565
9265651488044
1085902949237
1133481a80226
1214794882a71
1381400805a1
14422cb23737
15237b835a77
hex140036fb75

85902949237 has 24 divisors (see below), whose sum is σ = 106280729856. Its totient is φ = 68988947328.

The previous prime is 85902949229. The next prime is 85902949267. The reversal of 85902949237 is 73294920958.

It is not a de Polignac number, because 85902949237 - 23 = 85902949229 is a prime.

It is a super-2 number, since 2×859029492372 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85902949267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45463 + ... + 416980.

It is an arithmetic number, because the mean of its divisors is an integer number (4428363744).

Almost surely, 285902949237 is an apocalyptic number.

It is an amenable number.

85902949237 is a deficient number, since it is larger than the sum of its proper divisors (20377780619).

85902949237 is a wasteful number, since it uses less digits than its factorization.

85902949237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462697 (or 462690 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 85902949237 in words is "eighty-five billion, nine hundred two million, nine hundred forty-nine thousand, two hundred thirty-seven".

Divisors: 1 7 17 49 119 223 833 1561 3791 10927 26537 185759 462443 3237101 7861531 22659707 55030717 103124789 385215019 721873523 1753121413 5053114661 12271849891 85902949237