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1005252145500 = 223531315115787
BaseRepresentation
bin11101010000011011011…
…00100111000101011100
310120002201202021001122110
432220031230213011130
5112432224022124000
62045450110114020
7132425041152411
oct16501554470534
93502652231573
101005252145500
113583636a1609
121429a8aab910
1373a4443b545
1436923bc2108
151b2378c7850
hexea0db2715c

1005252145500 has 96 divisors (see below), whose sum is σ = 2949640581888. Its totient is φ = 266020872000.

The previous prime is 1005252145361. The next prime is 1005252145501. The reversal of 1005252145500 is 55412525001.

1005252145500 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005252145501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2361394 + ... + 2754393.

It is an arithmetic number, because the mean of its divisors is an integer number (30725422728).

Almost surely, 21005252145500 is an apocalyptic number.

1005252145500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005252145500 is an abundant number, since it is smaller than the sum of its proper divisors (1944388436388).

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

1005252145500 is a wasteful number, since it uses less digits than its factorization.

1005252145500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115940 (or 5115928 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 1005252145500 in words is "one trillion, five billion, two hundred fifty-two million, one hundred forty-five thousand, five hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 125 131 150 250 262 300 375 393 500 524 655 750 786 1310 1500 1572 1965 2620 3275 3930 6550 7860 9825 13100 16375 19650 32750 39300 49125 65500 98250 196500 5115787 10231574 15347361 20463148 25578935 30694722 51157870 61389444 76736805 102315740 127894675 153473610 255789350 306947220 383684025 511578700 639473375 670168097 767368050 1278946750 1340336194 1534736100 1918420125 2010504291 2557893500 2680672388 3350840485 3836840250 4021008582 6701680970 7673680500 8042017164 10052521455 13403361940 16754202425 20105042910 33508404850 40210085820 50262607275 67016809700 83771012125 100525214550 167542024250 201050429100 251313036375 335084048500 502626072750 1005252145500