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2545389928554 = 2311317160728867
BaseRepresentation
bin100101000010100101000…
…100000000000001101010
3100000100002121012211200120
4211002211010000001222
5313200424310203204
65225200323544110
7351620064256554
oct45024504000152
910010077184616
102545389928554
118a1548290430
12351391b2b036
1315604c319625
148b2aa0444d4
15463288c36d9
hex250a510006a

2545389928554 has 128 divisors (see below), whose sum is σ = 5823247417344. Its totient is φ = 734697432000.

The previous prime is 2545389928517. The next prime is 2545389928577. The reversal of 2545389928554 is 4558299835452.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88162029 + ... + 88190895.

It is an arithmetic number, because the mean of its divisors is an integer number (45494120448).

Almost surely, 22545389928554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545389928554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2911623708672).

2545389928554 is an abundant number, since it is smaller than the sum of its proper divisors (3277857488790).

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

2545389928554 is a wasteful number, since it uses less digits than its factorization.

2545389928554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29592.

The product of its digits is 622080000, while the sum is 69.

The spelling of 2545389928554 in words is "two trillion, five hundred forty-five billion, three hundred eighty-nine million, nine hundred twenty-eight thousand, five hundred fifty-four".

Divisors: 1 2 3 6 11 22 31 33 62 66 71 93 142 186 213 341 426 607 682 781 1023 1214 1562 1821 2046 2201 2343 3642 4402 4686 6603 6677 13206 13354 18817 20031 24211 28867 37634 40062 43097 48422 56451 57734 72633 86194 86601 112902 129291 145266 173202 206987 258582 317537 413974 474067 620961 635074 894877 948134 952611 1241922 1336007 1422201 1789754 1905222 2049557 2672014 2684631 2844402 4008021 4099114 5369262 6148671 8016042 9843647 12297342 14696077 17522269 19687294 22545127 29392154 29530941 35044538 44088231 45090254 52566807 59061882 63536267 67635381 88176462 105133614 127072534 135270762 190608801 192744959 381217602 385489918 543190339 578234877 698898937 1086380678 1156469754 1244081099 1397797874 1629571017 2096696811 2488162198 3259142034 3732243297 4193393622 5975093729 7464486594 11950187458 13684892089 17925281187 27369784178 35850562374 38566514069 41054676267 77133028138 82109352534 115699542207 231399084414 424231654759 848463309518 1272694964277 2545389928554