Search a number
-
+
55000144152 = 2333254630297
BaseRepresentation
bin110011001110010000…
…111001100100011000
312020222001110210221000
4303032100321210120
51400120014103102
641133335545000
73654645340332
oct631620714430
9166861423830
1055000144152
1121364169398
12a7ab52b160
13525694c0c5
14293a82c452
15166d82901c
hexcce439918

55000144152 has 32 divisors (see below), whose sum is σ = 152778178800. Its totient is φ = 18333381312.

The previous prime is 55000144093. The next prime is 55000144159. The reversal of 55000144152 is 25144100055.

55000144152 is a `hidden beast` number, since 5 + 500 + 0 + 1 + 4 + 4 + 152 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000144159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127314933 + ... + 127315364.

Almost surely, 255000144152 is an apocalyptic number.

It is an amenable number.

55000144152 is an abundant number, since it is smaller than the sum of its proper divisors (97778034648).

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

55000144152 is a wasteful number, since it uses less digits than its factorization.

55000144152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254630312 (or 254630302 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 55000144152 in words is "fifty-five billion, one hundred forty-four thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 254630297 509260594 763890891 1018521188 1527781782 2037042376 2291672673 3055563564 4583345346 6111127128 6875018019 9166690692 13750036038 18333381384 27500072076 55000144152