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155145104000 = 27539696569
BaseRepresentation
bin1001000001111101011…
…1100110101010000000
3112211110022212212200222
42100133113212222000
510020214121312000
6155134522002212
714131432424315
oct2203727465200
9484408785628
10155145104000
115a884403a17
1226099946368
13118264b45b3
14771ac24d0c
154080649a85
hex241f5e6a80

155145104000 has 64 divisors (see below), whose sum is σ = 385729554600. Its totient is φ = 62058035200.

The previous prime is 155145103951. The next prime is 155145104011. The reversal of 155145104000 is 401541551.

It can be written as a sum of positive squares in 4 ways, for example, as 61151354944 + 93993749056 = 247288^2 + 306584^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4832285 + ... + 4864284.

Almost surely, 2155145104000 is an apocalyptic number.

155145104000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155145104000 is an abundant number, since it is smaller than the sum of its proper divisors (230584450600).

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

155145104000 is an frugal number, since it uses more digits than its factorization.

155145104000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9696598 (or 9696576 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 155145104000 its reverse (401541551), we get a palindrome (155546645551).

The spelling of 155145104000 in words is "one hundred fifty-five billion, one hundred forty-five million, one hundred four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 640 800 1000 1600 2000 3200 4000 8000 16000 9696569 19393138 38786276 48482845 77572552 96965690 155145104 193931380 242414225 310290208 387862760 484828450 620580416 775725520 969656900 1212071125 1241160832 1551451040 1939313800 2424142250 3102902080 3878627600 4848284500 6205804160 7757255200 9696569000 15514510400 19393138000 31029020800 38786276000 77572552000 155145104000