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1253003230550 = 2521929311467131
BaseRepresentation
bin10010001110111100110…
…011111111110101010110
311102210012221122012102102
4102032330303333311112
5131012122311334200
62355342143442102
7156345405505001
oct22167463776526
94383187565372
101253003230550
11443439726765
12182a102b6332
1391208600516
1444907a62538
15228d80616d5
hex123bccffd56

1253003230550 has 96 divisors (see below), whose sum is σ = 2619710899200. Its totient is φ = 443660112000.

The previous prime is 1253003230537. The next prime is 1253003230571. The reversal of 1253003230550 is 550323003521.

It is a super-4 number, since 4×12530032305504 (a number of 49 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120485 + ... + 1587615.

It is an arithmetic number, because the mean of its divisors is an integer number (27288655200).

Almost surely, 21253003230550 is an apocalyptic number.

1253003230550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253003230550 is an abundant number, since it is smaller than the sum of its proper divisors (1366707668650).

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

1253003230550 is a wasteful number, since it uses less digits than its factorization.

1253003230550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467222 (or 1467217 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 29.

The spelling of 1253003230550 in words is "one trillion, two hundred fifty-three billion, three million, two hundred thirty thousand, five hundred fifty".

Divisors: 1 2 5 10 19 25 29 31 38 50 58 62 95 145 155 190 290 310 475 551 589 725 775 899 950 1102 1178 1450 1550 1798 2755 2945 4495 5510 5890 8990 13775 14725 17081 22475 27550 29450 34162 44950 85405 170810 427025 854050 1467131 2934262 7335655 14671310 27875489 36678275 42546799 45481061 55750978 73356550 85093598 90962122 139377445 212733995 227405305 278754890 425467990 454810610 696887225 808389181 864140159 1063669975 1137026525 1318950769 1393774450 1616778362 1728280318 2127339950 2274053050 2637901538 4041945905 4320700795 6594753845 8083891810 8641401590 13189507690 20209729525 21603503975 25060064611 32973769225 40419459050 43207007950 50120129222 65947538450 125300323055 250600646110 626501615275 1253003230550