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155137147116 = 223737198725121
BaseRepresentation
bin1001000001111011100…
…1010000000011101100
3112211102202220121220120
42100132321100003230
510020210102201431
6155134035244540
714131304664360
oct2203671200354
9484382817816
10155137147116
115a87a969886
1226097149750
1311824959993
147719b532a0
15407eac7196
hex241ee500ec

155137147116 has 96 divisors (see below), whose sum is σ = 425110866432. Its totient is φ = 43103508480.

The previous prime is 155137147063. The next prime is 155137147147. The reversal of 155137147116 is 611741731551.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6163036 + ... + 6188156.

It is an arithmetic number, because the mean of its divisors is an integer number (4428238192).

Almost surely, 2155137147116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155137147116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212555433216).

155137147116 is an abundant number, since it is smaller than the sum of its proper divisors (269973719316).

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

155137147116 is a wasteful number, since it uses less digits than its factorization.

155137147116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27159 (or 27157 counting only the distinct ones).

The product of its digits is 88200, while the sum is 42.

Adding to 155137147116 its reverse (611741731551), we get a palindrome (766878878667).

It can be divided in two parts, 155137 and 147116, that added together give a triangular number (302253 = T777).

The spelling of 155137147116 in words is "one hundred fifty-five billion, one hundred thirty-seven million, one hundred forty-seven thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 21 28 37 42 74 84 111 148 222 259 444 518 777 1036 1554 1987 3108 3974 5961 7948 11922 13909 23844 25121 27818 41727 50242 55636 73519 75363 83454 100484 147038 150726 166908 175847 220557 294076 301452 351694 441114 514633 527541 703388 882228 929477 1029266 1055082 1543899 1858954 2058532 2110164 2788431 3087798 3717908 5576862 6175596 6506339 11153724 13012678 19519017 26025356 39038034 49915427 78076068 99830854 149746281 199661708 299492562 349407989 598985124 698815978 1048223967 1397631956 1846870799 2096447934 3693741598 4192895868 5540612397 7387483196 11081224794 12928095593 22162449588 25856191186 38784286779 51712382372 77568573558 155137147116