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1145103151540 = 225314931374557
BaseRepresentation
bin10000101010011101011…
…101110111000110110100
311001110201012121021002211
4100222131131313012310
5122230132401322130
62234015250343204
7145505503122115
oct20523535670664
94043635537084
101145103151540
114016a9970347
12165b1888ab04
1383ca119451a
143d5cd70820c
151ebc04b7a2a
hex10a9d7771b4

1145103151540 has 48 divisors (see below), whose sum is σ = 2482798155264. Its totient is φ = 443174659200.

The previous prime is 1145103151529. The next prime is 1145103151561. The reversal of 1145103151540 is 451513015411.

It is a super-2 number, since 2×11451031515402 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

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, 2869942 + ... + 3244498.

It is an arithmetic number, because the mean of its divisors is an integer number (51724961568).

Almost surely, 21145103151540 is an apocalyptic number.

1145103151540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145103151540 is an abundant number, since it is smaller than the sum of its proper divisors (1337695003724).

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

1145103151540 is a wasteful number, since it uses less digits than its factorization.

1145103151540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379528 (or 379526 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 1145103151540 its reverse (451513015411), we get a palindrome (1596616166951).

The spelling of 1145103151540 in words is "one trillion, one hundred forty-five billion, one hundred three million, one hundred fifty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 4931 9862 19724 24655 49310 98620 152861 305722 374557 611444 749114 764305 1498228 1528610 1872785 3057220 3745570 7491140 11611267 23222534 46445068 58056335 116112670 232225340 1846940567 3693881134 7387762268 9234702835 18469405670 36938811340 57255157577 114510315154 229020630308 286275787885 572551575770 1145103151540