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128469242037 = 3232118824043
BaseRepresentation
bin111011110100101011…
…1010001000010110101
3110021121020112200110110
41313221113101002311
54101101111221122
6135003513413233
712165405353103
oct1675127210265
9407536480413
10128469242037
114a5355a1004
1220a9410a219
13c164a035a6
14630a07ac73
15351d79090c
hex1de95d10b5

128469242037 has 16 divisors (see below), whose sum is σ = 179586943488. Its totient is φ = 81534148080.

The previous prime is 128469242003. The next prime is 128469242059. The reversal of 128469242037 is 730242964821.

It is not a de Polignac number, because 128469242037 - 26 = 128469241973 is a prime.

It is a super-2 number, since 2×1284692420372 (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 (128469242087) 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, 4397463 + ... + 4426580.

It is an arithmetic number, because the mean of its divisors is an integer number (11224183968).

Almost surely, 2128469242037 is an apocalyptic number.

It is an amenable number.

128469242037 is a deficient number, since it is larger than the sum of its proper divisors (51117701451).

128469242037 is a wasteful number, since it uses less digits than its factorization.

128469242037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8824280.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 128469242037 in words is "one hundred twenty-eight billion, four hundred sixty-nine million, two hundred forty-two thousand, thirty-seven".

Divisors: 1 3 23 69 211 633 4853 14559 8824043 26472129 202952989 608858967 1861873073 5585619219 42823080679 128469242037