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10203142203254 = 27111344911350723
BaseRepresentation
bin1001010001111001101010…
…1010101010011101110110
31100010102002112010101212002
42110132122222222131312
52314132013401001004
633411131523255302
72102103242521610
oct224363252523566
940112075111762
1010203142203254
113284145862010
12118952b81a532
135901c945b060
14273b98671db0
1512a61919a61e
hex9479aaaa776

10203142203254 has 64 divisors (see below), whose sum is σ = 20594753625600. Its totient is φ = 3661288888320.

The previous prime is 10203142203253. The next prime is 10203142203257. The reversal of 10203142203254 is 45230224130201.

It is a super-2 number, since 2×102031422032542 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203142203253) 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, 4776464 + ... + 6574259.

It is an arithmetic number, because the mean of its divisors is an integer number (321793025400).

Almost surely, 210203142203254 is an apocalyptic number.

10203142203254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10203142203254 is an abundant number, since it is smaller than the sum of its proper divisors (10391611422346).

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

10203142203254 is a wasteful number, since it uses less digits than its factorization.

10203142203254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11351205.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 10203142203254 its reverse (45230224130201), we get a palindrome (55433366333455).

The spelling of 10203142203254 in words is "ten trillion, two hundred three billion, one hundred forty-two million, two hundred three thousand, two hundred fifty-four".

Divisors: 1 2 7 11 13 14 22 26 77 91 143 154 182 286 449 898 1001 2002 3143 4939 5837 6286 9878 11674 34573 40859 64207 69146 81718 128414 449449 898898 11350723 22701446 79455061 124857953 147559399 158910122 249715906 295118798 874005671 1032915793 1623153389 1748011342 2065831586 3246306778 5096474627 10192949254 11362073723 22724147446 35675322389 56061220897 66254170151 71350644778 112122441794 132508340302 392428546279 463779191057 728795871661 784857092558 927558382114 1457591743322 5101571101627 10203142203254