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162053770420 = 22558237139133
BaseRepresentation
bin1001011011101100101…
…0000100110010110100
3120111021210202111101001
42112323022010302310
510123341231123140
6202240234413044
714464562215033
oct2267312046264
9514253674331
10162053770420
11627aa146293
12274a7591184
13123878bc5a9
147bb45a871a
154336e21e9a
hex25bb284cb4

162053770420 has 24 divisors (see below), whose sum is σ = 340321207464. Its totient is φ = 64819929216.

The previous prime is 162053770339. The next prime is 162053770429. The reversal of 162053770420 is 24077350261.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 92237334436 + 69816435984 = 303706^2 + 264228^2 .

It is a super-3 number, since 3×1620537704203 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 162053770420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162053770429) 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, 1095174 + ... + 1234306.

It is an arithmetic number, because the mean of its divisors is an integer number (14180050311).

Almost surely, 2162053770420 is an apocalyptic number.

162053770420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162053770420 is an abundant number, since it is smaller than the sum of its proper divisors (178267437044).

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

162053770420 is a wasteful number, since it uses less digits than its factorization.

162053770420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197379 (or 197377 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 162053770420 in words is "one hundred sixty-two billion, fifty-three million, seven hundred seventy thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 58237 116474 139133 232948 278266 291185 556532 582370 695665 1164740 1391330 2782660 8102688521 16205377042 32410754084 40513442605 81026885210 162053770420