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55442050072470 = 23251456342300541
BaseRepresentation
bin11001001101100100110111…
…01100110011111110010110
321021022012121210110202210100
430212302123230303332112
524231330304304304340
6313525420505034530
714451361453665615
oct1446623354637626
9237265553422710
1055442050072470
1116735928992856
12627505a485a46
1324c2216b34559
14d995a3ad187c
15662295715830
hex326c9bb33f96

55442050072470 has 48 divisors (see below), whose sum is σ = 144159231922992. Its totient is φ = 14783531123520.

The previous prime is 55442050072403. The next prime is 55442050072517. The reversal of 55442050072470 is 7427005024455.

55442050072470 is a `hidden beast` number, since 5 + 5 + 4 + 4 + 2 + 0 + 500 + 72 + 4 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19839601 + ... + 22460940.

It is an arithmetic number, because the mean of its divisors is an integer number (3003317331729).

Almost surely, 255442050072470 is an apocalyptic number.

55442050072470 is an abundant number, since it is smaller than the sum of its proper divisors (88717181850522).

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

55442050072470 is a wasteful number, since it uses less digits than its factorization.

55442050072470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42315117 (or 42315114 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 45.

The spelling of 55442050072470 in words is "fifty-five trillion, four hundred forty-two billion, fifty million, seventy-two thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 14563 29126 43689 72815 87378 131067 145630 218445 262134 436890 655335 1310670 42300541 84601082 126901623 211502705 253803246 380704869 423005410 634508115 761409738 1269016230 1903524345 3807048690 616022778583 1232045557166 1848068335749 3080113892915 3696136671498 5544205007247 6160227785830 9240341678745 11088410014494 18480683357490 27721025036235 55442050072470