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156021614020 = 225411198115881
BaseRepresentation
bin1001000101001110011…
…1001110010111000100
3112220201102012012102001
42101103213032113010
510024013013122040
6155401512355044
714162234560156
oct2212347162704
9486642165361
10156021614020
1160194151968
12262a33a5a84
1311935c7518c
1477a13c8ad6
1540d258659a
hex24539ce5c4

156021614020 has 48 divisors (see below), whose sum is σ = 335685890736. Its totient is φ = 60877568000.

The previous prime is 156021614011. The next prime is 156021614033. The reversal of 156021614020 is 20416120651.

156021614020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 7011717696 + 149009896324 = 83736^2 + 386018^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 156021614020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9816480 + ... + 9832360.

It is an arithmetic number, because the mean of its divisors is an integer number (6993456057).

Almost surely, 2156021614020 is an apocalyptic number.

156021614020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156021614020 is an abundant number, since it is smaller than the sum of its proper divisors (179664276716).

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

156021614020 is a wasteful number, since it uses less digits than its factorization.

156021614020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27912 (or 27910 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 156021614020 its reverse (20416120651), we get a palindrome (176437734671).

The spelling of 156021614020 in words is "one hundred fifty-six billion, twenty-one million, six hundred fourteen thousand, twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 11981 15881 23962 31762 47924 59905 63524 79405 119810 158810 239620 317620 491221 651121 982442 1302242 1964884 2456105 2604484 3255605 4912210 6511210 9824420 13022420 190270261 380540522 761081044 951351305 1902702610 3805405220 7801080701 15602161402 31204322804 39005403505 78010807010 156021614020