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253153633310420 = 22531541754736251
BaseRepresentation
bin111001100011110111101100…
…011000110001011011010100
31020012100020202222020101221112
4321203313230120301123110
5231140132120111413140
62254225101301234152
7104215514012633033
oct7143675430613324
91205306688211845
10253153633310420
1173731942336147
1224486a53702958
13ab3439273500b
1446729b625671a
151e40190eb3c65
hexe63dec6316d4

253153633310420 has 48 divisors (see below), whose sum is σ = 549786113296896. Its totient is φ = 97813818000000.

The previous prime is 253153633310419. The next prime is 253153633310447. The reversal of 253153633310420 is 24013336351352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377032706 + ... + 377703545.

It is an arithmetic number, because the mean of its divisors is an integer number (11453877360352).

Almost surely, 2253153633310420 is an apocalyptic number.

253153633310420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253153633310420 is an abundant number, since it is smaller than the sum of its proper divisors (296632479986476).

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

253153633310420 is a wasteful number, since it uses less digits than its factorization.

253153633310420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754736832 (or 754736830 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 41.

Adding to 253153633310420 its reverse (24013336351352), we get a palindrome (277166969661772).

The spelling of 253153633310420 in words is "two hundred fifty-three trillion, one hundred fifty-three billion, six hundred thirty-three million, three hundred ten thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 541 620 1082 2164 2705 5410 10820 16771 33542 67084 83855 167710 335420 754736251 1509472502 3018945004 3773681255 7547362510 15094725020 23396823781 46793647562 93587295124 116984118905 233968237810 408312311791 467936475620 816624623582 1633249247164 2041561558955 4083123117910 8166246235820 12657681665521 25315363331042 50630726662084 63288408327605 126576816655210 253153633310420