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1361250031044 = 2231931227848429
BaseRepresentation
bin10011110011110000110…
…100110001010111000100
311211010121212002102012110
4103303300310301113010
5134300320001443134
62521203304221020
7200230021231431
oct23636064612704
94733555072173
101361250031044
11485337178062
1219b99ba6a770
139b499815367
1449c56072b88
15256212977e9
hex13cf0d315c4

1361250031044 has 96 divisors (see below), whose sum is σ = 3466481356800. Its totient is φ = 414168612480.

The previous prime is 1361250031039. The next prime is 1361250031073. The reversal of 1361250031044 is 4401300521631.

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, 1180222 + ... + 2028650.

It is an arithmetic number, because the mean of its divisors is an integer number (36109180800).

Almost surely, 21361250031044 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 1361250031044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1733240678400).

1361250031044 is an abundant number, since it is smaller than the sum of its proper divisors (2105231325756).

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

1361250031044 is a wasteful number, since it uses less digits than its factorization.

1361250031044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848713 (or 848711 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 1361250031044 its reverse (4401300521631), we get a palindrome (5762550552675).

The spelling of 1361250031044 in words is "one trillion, three hundred sixty-one billion, two hundred fifty million, thirty-one thousand, forty-four".

Divisors: 1 2 3 4 6 12 19 31 38 57 62 76 93 114 124 186 227 228 372 454 589 681 908 1178 1362 1767 2356 2724 3534 4313 7037 7068 8626 12939 14074 17252 21111 25878 28148 42222 51756 84444 133703 267406 401109 534812 802218 848429 1604436 1696858 2545287 3393716 5090574 10181148 16120151 26301299 32240302 48360453 52602598 64480604 78903897 96720906 105205196 157807794 192593383 193441812 315615588 385186766 499724681 577780149 770373532 999449362 1155560298 1499174043 1998898724 2311120596 2998348086 3659274277 5970394873 5996696172 7318548554 10977822831 11940789746 14637097108 17911184619 21955645662 23881579492 35822369238 43911291324 71644738476 113437502587 226875005174 340312507761 453750010348 680625015522 1361250031044