Search a number
-
+
312001142132000 = 2553312516138243
BaseRepresentation
bin100011011110000110110110…
…1001111110000110100100000
31111220201000111001011000012202
41012330031231033300310200
5311343311314341211000
63023323202422112332
7122501224104453356
oct10674155517606440
91456630431130182
10312001142132000
119045aa39975a72
122ababab327b6a8
1310512773607449
145708d15d9d7d6
152610cebb88dd5
hex11bc36d3f0d20

312001142132000 has 96 divisors (see below), whose sum is σ = 791315413185024. Its totient is φ = 120774635616000.

The previous prime is 312001142131997. The next prime is 312001142132003. The reversal of 312001142132000 is 231241100213.

It is an interprime number because it is at equal distance from previous prime (312001142131997) and next prime (312001142132003).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (312001142132003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1257945122 + ... + 1258193121.

It is an arithmetic number, because the mean of its divisors is an integer number (8242868887344).

Almost surely, 2312001142132000 is an apocalyptic number.

It is an amenable number.

312001142132000 is an abundant number, since it is smaller than the sum of its proper divisors (479314271053024).

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

312001142132000 is a wasteful number, since it uses less digits than its factorization.

312001142132000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516138299 (or 2516138281 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 312001142132000 its reverse (231241100213), we get a palindrome (312232383232213).

The spelling of 312001142132000 in words is "three hundred twelve trillion, one billion, one hundred forty-two million, one hundred thirty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 31 32 40 50 62 80 100 124 125 155 160 200 248 250 310 400 496 500 620 775 800 992 1000 1240 1550 2000 2480 3100 3875 4000 4960 6200 7750 12400 15500 24800 31000 62000 124000 2516138243 5032276486 10064552972 12580691215 20129105944 25161382430 40258211888 50322764860 62903456075 78000285533 80516423776 100645529720 125806912150 156000571066 201291059440 251613824300 312001142132 314517280375 390001427665 402582118880 503227648600 624002284264 629034560750 780002855330 1006455297200 1248004568528 1258069121500 1560005710660 1950007138325 2012910594400 2496009137056 2516138243000 3120011421320 3900014276650 5032276486000 6240022842640 7800028553300 9750035691625 10064552972000 12480045685280 15600057106600 19500071383250 31200114213200 39000142766500 62400228426400 78000285533000 156000571066000 312001142132000